303 AM CDT SAT AUG 23 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SEVERE THUNDERSTORM WARNING FOR…SOUTHERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…ADAIR COUNTY IN SOUTHWEST IOWA…UNTIL 345 AM CDT

* AT 303 AM CDT…A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTHWEST OF GREENFIELD…MOVING NORTHEAST AT 45 MPH.

HAZARD…60 MPH WIND GUSTS AND PENNY SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…EXPECT DAMAGE TO ROOFS…SIDING AND TREES.

* LOCATIONS IMPACTED  INCLUDE…GREENFIELD…STUART…ADAIR…FONTANELLE…DEXTER…CASEY… ORIENT…DIAMONDHEAD LAKE…MENLO…BRIDGEWATER…GREENFIELD MUNICIPAL AIRPORT AND NODAWAY PARK.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 74 AND 97.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING.

TODAY…MOSTLY CLOUDY THEN MIX OF CLOUDS AND SUN. HOT AND HUMID. ISOLATED THUNDERSTORMS UNTIL LATE AFTERNOON…THEN SCATTERED THUNDERSTORMS LATE IN THE AFTERNOON. HIGH  89. SOUTHEAST WIND NEAR 5 MPH. HIGHEST HEAT INDEX READINGS 100 TO 102 IN THE AFTERNOON.
TONIGHT…MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS THROUGH
MIDNIGHT…THEN THUNDERSTORMS LIKELY AFTER MIDNIGHT. LOW 72. SOUTHEAST WIND 5 TO 10 MPH.

SATURDAY…PARTLY SUNNY THROUGH MID MORNING THEN CLEARING. A
MODERATE CHANCE OF THUNDERSTORMS THROUGH MID MORNING. HIGH AROUND
91. SOUTH WIND 5 TO 10 MPH.
SATURDAY NIGHT…MOSTLY CLEAR. LOW IN THE LOWER 72. SOUTH WIND
5 TO 10 MPH.

SUNDAY…PARTLY SUNNY. HIGH AROUND 90. SOUTH WIND 5 TO 15 MPH.

MONDAY…MOSTLY SUNNY WITH A SLIGHT OF THUNDERSTORMS.
HIGH IN THE MID 80S.

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Today: Isolated showers and thunderstorms before 3pm. Partly sunny, with a high near 89. South southwest wind 10 to 15 mph.

Tonight: A moderate chance of showers and thunderstorms, mainly after 9pm. Partly cloudy, with a low around 70. South wind 5 to 10 mph becoming light after midnight.

Friday: A slight chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 101. South southwest wind 5 to 10 mph.

Friday Night: A moerate chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southeast wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.

Saturday: Mostly sunny, with a high near 91. South wind 5 to 10 mph.

Sunday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.

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400 AM CDT WED AUG 20 2014/ NWS – Des Moines

EARLY THIS MORNING…MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS. SOUTHEAST WIND NEAR 10 MPH. CHANCE OF THUNDERSTORMS 50 PERCENT.

TODAY…PARTLY SUNNY. HOT AND HUMID. SCATTERED THUNDERSTORMS THROUGH MID MORNING…THEN ISOLATED THUNDERSTORMS BEFORE NOON. HIGH IN THE LOWER 90S. SOUTH WIND 5 TO 15 MPH. CHANCE OF THUNDERSTORMS 50 PERCENT. HIGHEST HEAT INDEX READINGS AROUND 100 IN THE AFTERNOON.

TONIGHT...PARTLY CLOUDY IN THE EVENING…THEN A 20 PERCENT CHANCE OF THUNDERSTORMS OVERNIGHT. LOW IN THE LOWER 70S. SOUTH WIND 5 TO 10 MPH.

THURSDAY...MOSTLY SUNNY. HOT AND HUMID. HIGH IN THE LOWER 90S. SOUTHWEST WIND 5 TO 15 MPH. HIGHEST HEAT INDEX READINGS 100 TO 102 IN THE AFTERNOON.

THURSDAY NIGHT…MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT…THEN A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOW IN THE LOWER 70S. SOUTH WIND NEAR 10 MPH. CHANCE OF THUNDERSTORMS 40 PERCENT. HIGHEST HEAT INDEX READINGS 100 TO 102 THROUGH MIDNIGHT.

FRIDAY…PARTLY SUNNY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE LOWER 90S. SOUTH WIND NEAR 10 MPH. HIGHEST HEAT INDEX READINGS 100 TO 103 IN THE AFTERNOON.

FRIDAY NIGHT…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. LOW AROUND 70.

SATURDAY...PARTLY SUNNY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE UPPER 80S.

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439 AM CDT WED AUG 20 2014

COUNTIES: DALLAS-POLK-JASPER-ADAIR-MADISON-WARREN-MARION-UNION-CLARKE-LUCAS-MONROE-

…SCATTERED THUNDERSTORMS PRODUCING HAIL EARLY THIS MORNING…

SCATTERED THUNDERSTORMS WILL AFFECT THE AREA EARLY THIS MORNING THROUGH SUNRISE. SOME OF THE STORMS WILL PRODUCE HAIL OF PENNY SIZE OR LARGER…ALONG WITH LOCALLY HEAVY DOWNPOURS.

4:20 AM – De Soto….Dallas County; 1.25″ diameter hail (half-dollar size). Reported by the public.

434 AM CDT WED AUG 20 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A  SEVERE THUNDERSTORM WARNING FOR…SOUTHERN MADISON COUNTY IN SOUTH CENTRAL IOWA…SOUTHEASTERN ADAIR COUNTY IN SOUTHWEST IOWA…UNTIL 515 AM CDT

* AT 434 AM CDT…A SEVERE THUNDERSTORM WAS LOCATED 10 MILES SOUTHEAST OF GREENFIELD…MOVING EAST AT 30 MPH.

HAZARD…HALF DOLLAR SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…DAMAGE TO VEHICLES IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE…

WINTERSET…ST. CHARLES…TRURO…ORIENT…PATTERSON…EAST PERU AND MACKSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING.

DES MOINES, Iowa (AP) — Along with weather extremes including floods and drought, experts say a warmer Iowa climate also could boost the population of ticks, mosquitoes and fire ants and make poison ivy more potent. The Iowa Wildlife Federation says in a report released Tuesday the weather extremes brought on by climate change will likely alter the behavior of pests.

Dr. Yogesh Shah, associate dean of the global health department at Des Moines University says every increase in temperature by a degree or two increases mosquito populations by eight to tenfold. Ticks also grow faster in humid warm weather. He says last year Iowa had a 40 percent increase in Lyme disease.

Shah say poison ivy also could become even more toxic thanks to the rise in carbon dioxide in the atmosphere.

335 AM CDT WED AUG 20 2014

AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-UNION COUNTIES…

…SCATTERED THUNDERSTORMS PRODUCING HEAVY RAIN AND HAIL…

SCATTERED THUNDERSTORMS HAVE DEVELOPED EARLY THIS MORNING AND WILL PERSIST THROUGH SUNRISE. A FEW OF THESE STORMS WILL PRODUCE PENNY TO NICKEL SIZED HAIL…ALONG WITH LOCALLY HEAVY RAIN THAT COULD RESULT IN PONDING OF WATER AND MINOR FLOODING OF LOW LYING AREAS.

Today: Sunny, with a high near 86. Calm wind becoming north northwest 5 to 10 mph in the morning.

Tonight: A moderate chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 66. Calm wind becoming east southeast around 5 mph after midnight. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southeast wind 5 to 10 mph.

Thursday: Mostly sunny, with a high near 91. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Friday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.

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