Alert archive / Iowa / Flash Flood Warnings in 2008

Flash Flood Warning 33, NWS Des Moines, IA

June 4, 2008Hamilton County, Hardin County, Webster County, Iowa

NWS Des Moines, IA issued this flash flood warning at Jun 4, 2008, 11:10 PM CDT for Hamilton County, Hardin County, Webster County, Iowa. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 4, 2008, 11:10 PM CDT (04:10 UTC)
Expired: Jun 5, 2008, 5:15 AM CDT
In force: 6 hr
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Flood severity: None

Counties Hamilton County, IA, Hardin County, IA, Webster County, IA

The radar

The Des Moines radar (KDMX), 87 km from the middle of the area, began a volume at 04:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 4, 11:19 PM CDT	FLASH FLOOD	3 N Fort Dodge, IA	WATER COVERING COUNTY HIGHWAY D14 NEAR THE INTERSECTION OF COUNTY HIGHWAY P56 AND D14. AT LEAST A FOOT DEEP AND 10 TO 15 FEET WIDTH ACROSS ROADWAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this flash flood warning; the first came 9 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.2 hours before the alert went out and 237 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2024 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 774 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 224 m²/s²
0-3 km storm-relative helicity: 331 m²/s²
Significant tornado parameter: 3.7
Supercell composite: 18.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KDMX 050410
FFWDMX
IAC079-083-187-051015-
/O.NEW.KDMX.FF.W.0033.080605T0410Z-080605T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1110 PM CDT WED JUN 4 2008

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN HAMILTON COUNTY IN CENTRAL IOWA...
  NORTHWESTERN HARDIN COUNTY IN CENTRAL IOWA...
  NORTHERN WEBSTER COUNTY IN CENTRAL IOWA...
  THIS INCLUDES THE CITY OF FORT DODGE...

* UNTIL 515 AM CDT THURSDAY

* AT 1107 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED FLASH FLOODING FROM NUMEROUS THUNDERSTORMS OVER THE      
  WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT DODGE
  AIRPORT...VINCENT...CLARE AND BADGER.

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

LAT...LON 4235 9347 4236 9441 4247 9441 4247 9445
      4265 9445 4264 9398 4256 9399 4255 9319
TIME...MOT...LOC 0410Z 180DEG 0KT 4255 9394

$$

RUSSELL

5 follow-up statements

000 
WGUS73 KDMX 050445
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1145 PM CDT WED JUN 4 2008

IAC079-083-187-051015-
/O.CON.KDMX.FF.W.0033.000000T0000Z-080605T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WEBSTER IA-HAMILTON IA-HARDIN IA-
1145 PM CDT WED JUN 4 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHWESTERN HARDIN...NORTHERN HAMILTON AND NORTHERN WEBSTER
COUNTIES...

AT 1140 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE WIDESPREAD HEAVY RAIN PRODUCING THUNDERSTORMS...PRODUCING 
FLASH FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT DODGE
AIRPORT...VINCENT...CLARE AND BADGER.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING
FOR SOUTHERN IOWA.

LAT...LON 4235 9347 4236 9441 4247 9441 4247 9445
      4265 9445 4264 9398 4256 9399 4255 9319
TIME...MOT...LOC 0445Z 180DEG 0KT 4255 9394

$$

RUSSELL

000 
WGUS73 KDMX 050719
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
217 AM CDT THU JUN 5 2008

IAC079-083-187-051015-
/O.CON.KDMX.FF.W.0033.000000T0000Z-080605T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WEBSTER IA-HAMILTON IA-HARDIN IA-
217 AM CDT THU JUN 5 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHWESTERN HARDIN...NORTHERN HAMILTON AND NORTHERN WEBSTER
COUNTIES...

AT 216 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A WIDESPREAD RAIN...FLASH FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT DODGE
AIRPORT...VINCENT...CLARE AND BADGER.

ADDITIONAL RAINFALL AMOUNTS OF A HALF INCH MAY FURTHER AGGRAVATE   
FLOODING IN THE WARNED AREA. 

EXCESSIVE RUNOFF FROM HEAVY RAINFALL EARLIER THIS MORNING WILL CAUSE 
FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS 
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT THURSDAY MORNING
FOR IOWA.

LAT...LON 4235 9347 4236 9441 4247 9441 4247 9445
      4265 9445 4264 9398 4256 9399 4255 9319
TIME...MOT...LOC 0717Z 180DEG 0KT 4255 9394

$$

RUSSELL

000 
WGUS73 KDMX 050729
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
228 AM CDT THU JUN 5 2008

IAC079-083-187-051015-
/O.CON.KDMX.FF.W.0033.000000T0000Z-080605T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WEBSTER IA-HAMILTON IA-HARDIN IA-
228 AM CDT THU JUN 5 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHWESTERN HARDIN...NORTHERN HAMILTON AND NORTHERN WEBSTER
COUNTIES...

AT 225 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE RAINFALL AGGRAVATING EARLIER FLASH FLOODING OVER THE WARNED 
AREA. 

WITH HEAVY RAINS THAT OCCURRED...SOME CREEKS AND STREAM MAY HAVE 
FLOODED MANY RURAL ROADS. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT DODGE
AIRPORT...VINCENT...CLARE AND BADGER.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT THURSDAY MORNING
FOR IOWA.

LAT...LON 4235 9347 4236 9441 4247 9441 4247 9445
      4265 9445 4264 9398 4256 9399 4255 9319
TIME...MOT...LOC 0728Z 180DEG 0KT 4255 9394

$$

RUSSELL

000 
WGUS73 KDMX 050849
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
348 AM CDT THU JUN 5 2008

IAC079-083-187-051015-
/O.CON.KDMX.FF.W.0033.000000T0000Z-080605T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WEBSTER IA-HAMILTON IA-HARDIN IA-
348 AM CDT THU JUN 5 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHWESTERN HARDIN...NORTHERN HAMILTON AND NORTHERN WEBSTER
COUNTIES...

AT 342 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE WIDESPREAD MODERATE RAIN OVER THE WARNED AREA.

THIS RAIN WILL AGGRAVATE FLOODING ALREADY OCCURRING.  

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT DODGE
AIRPORT...VINCENT...CLARE AND BADGER.

ADDITIONAL RAINFALL AMOUNTS OF ONE HALF INCH ARE POSSIBLE IN THE 
WARNED AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT THURSDAY MORNING
FOR IOWA.

LAT...LON 4235 9347 4236 9441 4247 9441 4247 9445
      4265 9445 4264 9398 4256 9399 4255 9319
TIME...MOT...LOC 0848Z 180DEG 0KT 4255 9394

$$

RUSSELL

000 
WGUS73 KDMX 050922
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
421 AM CDT THU JUN 5 2008

IAC079-083-187-051015-
/O.CON.KDMX.FF.W.0033.000000T0000Z-080605T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WEBSTER IA-HAMILTON IA-HARDIN IA-
421 AM CDT THU JUN 5 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHWESTERN HARDIN...NORTHERN HAMILTON AND NORTHERN WEBSTER
COUNTIES...

AT 417 AM CDT...A MODERATE RAIN OVER THE AREA WAS AGGRAVATING FLASH 
FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT DODGE
AIRPORT...VINCENT...CLARE AND BADGER.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT THURSDAY MORNING
FOR IOWA.

LAT...LON 4235 9347 4236 9441 4247 9441 4247 9445
      4265 9445 4264 9398 4256 9399 4255 9319
TIME...MOT...LOC 0921Z 180DEG 0KT 4255 9394

$$

RUSSELL

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this flash flood warning went out at Jun 4, 3:14 PM CDT, 7 hours 56 minutes earlier.

Area forecast discussion, Jun 4, 3:14 PM CDT, 7 hours 56 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
314 PM CDT WED JUN 4 2008

...UPDATED AVIATION DISCUSSION AND WATCHES IN EFFECT...

.SHORT TERM/TONIGHT...
FOCUS TONIGHT REMAINS ON SEVERE AND HEAVY RAIN POTENTIAL. WARM FRONT
HAS LIFTED SLOWLY NORTH TO NEAR THE IA/MO BORDER. GREATEST
INSTABILITY CURRENTLY IS TO THE SOUTHWEST IN NORTH CENTRAL KANSAS
AND SOUTHEAST NEBRASKA. LACK OF 0-3 KM CAPE IN SOUTHERN IOWA NEAR
THE WARM FRONT SUGGESTS THAT SFC BASED CONVECTION IS STILL SEVERAL
HOURS OFF IN IA. ONCE CONVECTION DOES BEGIN ALL MODES OF SVR WX ARE
POSSIBLE NEAR THE FRONTAL BOUNDARY. LATER TONIGHT THE LOW LEVEL JET
WILL FOCUS INTO THE STATE AND WILL CONTINUE TO FUEL THUNDERSTORMS
NEAR THE WARM FRONT AS IT LIFTS NORTH OVER IA. AREAS OF HEAVY
RAINFALL REMAIN POSSIBLE BUT THE FORWARD PROPAGATION OF THE STORMS
SHOULD LIMIT POTENTIAL. WILL EXPAND FLASH FLOOD WATCH NORTH TO
HIGHWAY 20 WHERE 1 TO 2 INCHES OF RAINFALL IN A SHORT PERIOD WILL
CAUSE HYDROLOGIC ISSUES GIVEN RECENT HEAVY RAINS.

.LONG TERM /THURSDAY-WEDNESDAY/...
ACTIVE PATTERN CONTINUES THROUGH MUCH OF THE FORECAST PERIOD.
NUMEROUS VIGOROUS WAVES WILL MOVE THROUGH THE FLOW DURING THE PERIOD
WHILE THE MIDWEST REMAINS CONNECTED TO THE MIDWEST. ONGOING ELEVATED
CONVECTION LIKELY ONGOING AT THE START OF THE PERIOD IN ADVANCED OF
A WARM FRONT LIFTING THROUGH THE STATE. MARGINAL SEVERE WX AND
LOCALLY HEAVY RAINFALL POSSIBLE THURSDAY MORNING HOWEVER THE BIG
SHOW STILL ON TARGET FOR THURSDAY EVENING AND OVERNIGHT. THE PRIMARY
SEVERE EVENT LIKELY TO BEGIN AFTER 00Z THURSDAY EVENING THEN TURNING
INTO A COMBINATION SEVERE AND HEAVY RAIN EVENT AFTER MIDNIGHT.
TONIGHTS RAINFALL WILL LIKELY BE A PRIMER FOR THURSDAY NIGHT.
HYDROLOGY CONCERNS WILL GREATLY INCREASE IF CENTRAL IOWA GETS ONE
INCH PLUS TONIGHT WITH THE POTENTIAL FOR A NORTH TO SOUTH 2 TO 4
INCH BAND THURSDAY NIGHT. ALL MODES FOR SEVERE WEATHER ARE LIKELY
WITH THE TORNADIC POTENTIAL ENHANCED WEST OF INTERSTATE 35. PWATS
APPROACHING 2 INCHES WITH A 60 KT LOW LEVEL JET FEEDING INTO THE
REGION WILL PROMOTE THE POTENTIAL FOR EFFICIENT RAIN PRODUCERS.
STORM MOVEMENT ALONG THE BOUNDARY SUGGESTS TRAINING POTENTIAL.

THUNDERSTORMS WILL LINGER FRIDAY MORNING THEN ANOTHER CHANCE OVER
THE EAST IN THE AFTERNOON. A BRIEF BREAK FRIDAY NIGHT AND EARLY
SATURDAY THEN THE NEXT SYSTEM BRINGS THUNDERSTORM POTENTIAL BACK BY
SATURDAY AFTERNOON AND NIGHT. POSSIBLE THAT THE WARM FRONT WILL HANG
UP OVER IOWA LEADING TO A PROLONGED THUNDERSTORM CHANCE THROUGH
MONDAY BEFORE FINALLY PUSHING TO THE NORTH BY MIDWEEK.

&&

.AVIATION 05/06Z...
THUNDERSTORMS CONTINUE OVER MUCH OF THE AREA...AFFECTING KDSM AND
KMCW...AND VERY NEAR KALO AT THIS TIME. KOTM REMAINS SOUTHEAST OF
THE ACTION BUT WILL PROBABLY GET HIT AT SOME TIME DURING THE EARLY
MORNING HOURS. THUNDERSTORMS NOT EXPECTED TO END UNTIL CLOSE TO
12Z...AFTER WHICH MVFR CIGS AND PERHAPS SOME BR/HZ WILL LINGER INTO
THE MID/LATE MORNING HOURS. ANOTHER ROUND OF THUNDERSTORMS WILL
ENTER THE PICTURE THURS EVENING/NIGHT.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
TORNADO WATCH TIL 10Z THURSDAY ALONG AND SOUTH OF HIGHWAY 3. FLASH
FLOOD WATCH TIL 12Z THURSDAY ALONG AND SOUTH OF HIGHWAY 20.

SHORT TERM...REV
LONG TERM...DONAVON
AVIATION...LEE

Hazardous weather outlook, Jun 4, 10:36 PM CDT, 34 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
1036 PM CDT WED JUN 4 2008

IAZ044>050-057>062-070>075-081>086-092>097-051115-
CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-
DECATUR-WAYNE-APPANOOSE-DAVIS-
1036 PM CDT WED JUN 4 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL BE LIKELY TONIGHT. LARGE HAIL...DAMAGING WIND
AND ISOLATED TORNADOES WILL BE POSSIBLE. IN ADDITION...LOCALLY
HEAVY RAINFALL WILL LIKELY CAUSE SOME FLASH FLOODING AND MORE
RIVER FLOODING. A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT CDT
AND A FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

PERIODS OF THUNDERSTORMS WILL CONTINUE INTO FRIDAY. LARGE
HAIL...DAMAGING WIND AND ISOLATED TORNADOES WILL BE POSSIBLE. A
SIGNIFICANT SEVERE WEATHER OUTBREAK IS POSSIBLE THURSDAY AFTERNOON
AND NIGHT. THUNDERSTORM CHANCES WILL RETURN SATURDAY AFTERNOON THROUGH
SUNDAY AND POSSIBLY INTO EARLY NEXT WEEK. IN ADDITION...LOCALLY
HEAVY RAINFALL WILL LIKELY CAUSE SOME FLASH FLOODING AND MORE
RIVER FLOODING INTO NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY FROM TIME TO TIME THROUGH THE END OF
THE WEEK.

IAZ004>007-015>017-023>028-033>039-051115-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
1036 PM CDT WED JUN 4 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL BE LIKELY TONIGHT. LARGE HAIL...DAMAGING WIND
AND ISOLATED TORNADOES WILL BE POSSIBLE. IN ADDITION...LOCALLY
HEAVY RAINFALL WILL LIKELY CAUSE SOME FLASH FLOODING AND MORE
RIVER FLOODING. A FLASH FLOOD WATCH IS IN EFFECT THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

PERIODS OF THUNDERSTORMS WILL CONTINUE INTO FRIDAY. LARGE
HAIL...DAMAGING WIND AND ISOLATED TORNADOES WILL BE POSSIBLE. A
SIGNIFICANT SEVERE WEATHER OUTBREAK IS POSSIBLE THURSDAY AFTERNOON
AND NIGHT. THUNDERSTORM CHANCES WILL RETURN SATURDAY AFTERNOON THROUGH
SUNDAY AND POSSIBLY INTO EARLY NEXT WEEK. IN ADDITION...LOCALLY
HEAVY RAINFALL WILL LIKELY CAUSE SOME FLASH FLOODING AND MORE
RIVER FLOODING INTO NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY FROM TIME TO TIME THROUGH THE END OF
THE WEEK.

LEE

In the hours before

Local storm report, Jun 4, 10:27 PM CDT, 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1027 PM CDT WED JUN 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0943 PM     TORNADO          4 SSW CRESTON AIRPORT   40.97N 94.38W
06/04/2008                   UNION              IA   BROADCAST MEDIA

            SEVERAL TREES AND POWERLINES DOWN NEAR THE INTERSECTION
            OF 230TH AND HI AND DRY ROAD.

1001 PM     FUNNEL CLOUD     2 E AFTON               41.03N 94.16W
06/04/2008                   UNION              IA   LAW ENFORCEMENT

1010 PM     HAIL             LORIMOR                 41.13N 94.06W
06/04/2008  E1.00 INCH       UNION              IA   LAW ENFORCEMENT

1021 PM     TORNADO          3 NNE THAYER            41.07N 94.02W
06/04/2008                   CLARKE             IA   LAW ENFORCEMENT

&&

PODRAZIK

Local storm report, Jun 4, 10:36 PM CDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1036 PM CDT WED JUN 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1019 PM     HAIL             1 SSW LORIMOR           41.11N 94.06W
06/04/2008  E2.75 INCH       UNION              IA   LAW ENFORCEMENT

            HIGHWAY 69 AND 130TH STREET.

1026 PM     HAIL             3 SW TRURO              41.18N 93.89W
06/04/2008  M1.00 INCH       MADISON            IA   LAW ENFORCEMENT

1030 PM     HAIL             TRURO                   41.21N 93.85W
06/04/2008  E1.00 INCH       MADISON            IA   TRAINED SPOTTER

&&

PODRAZIK

Local storm report, Jun 4, 10:42 PM CDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1042 PM CDT WED JUN 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1033 PM     TORNADO          1 SSW MURRAY            41.03N 93.96W
06/04/2008                   CLARKE             IA   STORM CHASER

&&

BSMALL

Local storm report, Jun 4, 10:50 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1050 PM CDT WED JUN 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1043 PM     FLASH FLOOD      CRESTON                 41.06N 94.36W
06/04/2008                   UNION              IA   LAW ENFORCEMENT

            CHERRY STREET NORTH OF CRESTON CLOSED DUE TO HIGH WATER.

&&

MRUSSELL

Local storm report, Jun 4, 10:51 PM CDT, 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1051 PM CDT WED JUN 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1044 PM     HAIL             2 ESE EAST PERU         41.21N 93.90W
06/04/2008  M1.75 INCH       MADISON            IA   LAW ENFORCEMENT

&&

PODRAZIK

Local storm report, Jun 4, 10:52 PM CDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1052 PM CDT WED JUN 04 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1025 PM     FLASH FLOOD      1 ENE FORT DODGE        42.51N 94.16W
06/04/2008                   WEBSTER            IA   TRAINED SPOTTER

            SPOTTER REPORTS MAJOR STREET FLOODING IN FORT DODGE. UP
            TO 3 FEET OF WATER ON SOME ROADS...SOME STREETS
            IMPASSIBLE.

&&

LEE

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 7:30 PM CDT	Tornado Warning	DMX	Clarke, Union	30 min
Jun 4, 7:33 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Cass	57 min
Jun 4, 7:41 PM CDT	Tornado Warning	DMX	Adams, Taylor	49 min
Jun 4, 8:00 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Madison, Union, Warren	31 min
Jun 4, 8:25 PM CDT	Flash Flood Warning	DMX	Adams, Union	9 hr
Jun 4, 8:27 PM CDT	Tornado Warning	DMX	Adams	48 min
Jun 4, 8:50 PM CDT	Tornado Warning	DMX	Ringgold, Taylor, Union	55 min
Jun 4, 9:12 PM CDT	Severe Thunderstorm Warning	DMX	Sac	48 min
Jun 4, 9:15 PM CDT	Tornado Warning	DMX	Adams	14 min
Jun 4, 9:38 PM CDT	Tornado Warning	DMX	Clarke, Union	52 min
Jun 4, 9:48 PM CDT	Tornado Warning	DMX	Union	16 min
Jun 4, 10:04 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Hardin	41 min
Jun 4, 10:10 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	50 min
Jun 4, 10:22 PM CDT	Severe Thunderstorm Warning	DMX	Adams, Cass	53 min
Jun 4, 10:23 PM CDT	Severe Thunderstorm Warning	DMX	Hamilton, Webster, Wright	41 min
Jun 4, 10:28 PM CDT	Tornado Warning	DMX	Clarke, Madison, Warren	47 min
Jun 4, 10:44 PM CDT	Flash Flood Warning	DMX	Clarke, Madison, Warren	6 hr
Jun 4, 10:47 PM CDT	Severe Thunderstorm Warning	DMX	Crawford	38 min
Jun 4, 10:52 PM CDT	Flash Flood Warning	DMX	Adair, Cass	11 hr
Jun 4, 10:58 PM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	47 min
Jun 4, 11:08 PM CDT	Severe Thunderstorm Warning	DMX	Hardin	52 min
Jun 4, 11:10 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Cass, Taylor, Union	50 min
Jun 4, 11:12 PM CDT	Flash Flood Warning	DMX	Franklin, Humboldt, Wright	6 hr
Jun 4, 11:13 PM CDT	Severe Thunderstorm Warning	DMX	Sac	47 min
Jun 4, 11:34 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Clarke, Madison, Union	41 min
Jun 4, 11:45 PM CDT	Severe Thunderstorm Warning	DMX	Franklin, Wright	45 min
Jun 5, 12:11 AM CDT	Flash Flood Warning	DMX	Butler	6 hr
Jun 5, 12:17 AM CDT	Severe Thunderstorm Warning	DMX	Madison, Warren	43 min
Jun 5, 12:18 AM CDT	Severe Thunderstorm Warning	DMX	Butler	42 min
Jun 5, 12:33 AM CDT	Areal Flood Advisory	DMX	Emmet, Kossuth, Palo Alto	4 hr
Jun 5, 12:35 AM CDT	Areal Flood Advisory	DMX	Cerro Gordo, Hancock, Winnebago, Worth	4 hr
Jun 5, 12:35 AM CDT	Severe Thunderstorm Warning	DMX	Adams, Taylor	40 min
Jun 5, 12:48 AM CDT	Areal Flood Advisory	DMX	Dallas, Madison, Polk, Warren	4 hr
Jun 5, 12:50 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marion, Polk, Warren	40 min
Jun 5, 12:59 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Polk, Story	46 min
Jun 5, 1:05 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Grundy	40 min
Jun 5, 1:14 AM CDT	Tornado Warning	DMX	Jasper, Marshall, Story	31 min
Jun 5, 1:19 AM CDT	Severe Thunderstorm Warning	DMX	Adair, Adams, Madison, Ringgold, Union	41 min
Jun 5, 1:39 AM CDT	Areal Flood Advisory	DMX	Black Hawk, Bremer	4 hr
Jun 5, 1:40 AM CDT	Severe Thunderstorm Warning	DMX	Poweshiek, Tama	35 min
Jun 5, 1:44 AM CDT	Flash Flood Warning	DMX	Adams, Ringgold, Taylor, Union	6 hr
Jun 5, 1:48 AM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall	11 min
Jun 5, 1:51 AM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Taylor	39 min
Jun 5, 2:02 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Madison, Union, Warren	43 min
Jun 5, 2:09 AM CDT	Flash Flood Warning	DMX	Black Hawk	6 hr
Jun 5, 2:12 AM CDT	River Flood Warning	DMX	Humboldt	39 hr
Jun 5, 2:12 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur	43 min
Jun 5, 2:26 AM CDT	Severe Thunderstorm Warning	DMX	Clarke, Lucas, Marion, Warren	49 min
Jun 5, 2:31 AM CDT	River Flood Warning	DMX	Madison, Warren	11 days
Jun 5, 2:33 AM CDT	Tornado Warning	DMX	Clarke, Lucas	21 min
Jun 5, 3:43 AM CDT	River Flood Warning	DMX	Webster	24 hr
Jun 5, 4:17 AM CDT	Flash Flood Watch	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	24 hr
Jun 5, 4:45 AM CDT	Areal Flood Warning	DMX	Madison	12 hr
Jun 5, 4:50 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Wapello	25 min
Jun 5, 4:51 AM CDT	River Flood Warning	DMX	Emmet	23 hr
Jun 5, 4:51 AM CDT	River Flood Warning	DMX	Palo Alto	5 hr
Jun 5, 4:51 AM CDT	River Flood Warning	DMX	Hamilton, Webster	25 hr
Jun 5, 4:51 AM CDT	River Flood Warning	DMX	Madison, Warren	66 hr
Jun 5, 4:51 AM CDT	River Flood Warning	DMX	Cerro Gordo, Floyd, Worth	29 hr
Jun 5, 4:51 AM CDT	River Flood Warning	DMX	Black Hawk, Bremer, Butler	36 hr
Jun 5, 4:51 AM CDT	River Flood Warning	DMX	Black Hawk	15 days
Jun 5, 4:51 AM CDT	River Flood Warning	DMX	Marshall	13 days
Jun 5, 5:19 AM CDT	Areal Flood Warning	DMX	Butler, Franklin, Hamilton, Hardin, Webster, Wright	25 hr
Jun 5, 5:38 AM CDT	River Flood Warning	DMX	Taylor	4 hr
Jun 5, 5:45 AM CDT	Areal Flood Warning	DMX	Adams, Union	49 hr
Jun 5, 7:45 AM CDT	River Flood Warning	DMX	Lucas	5 days
Jun 5, 8:23 AM CDT	River Flood Warning	DMX	Decatur	4 days
Jun 5, 10:02 AM CDT	River Flood Warning	DMX	Black Hawk, Butler	10 days
Jun 5, 4:05 PM CDT	River Flood Warning	DMX	Black Hawk	13 days
Jun 5, 4:32 PM CDT	River Flood Warning	DMX	Warren	17 hr
Jun 5, 4:32 PM CDT	River Flood Warning	DMX	Mahaska, Marion	11 hr
Jun 5, 4:34 PM CDT	River Flood Warning	DMX	Polk	40 hr
Jun 5, 4:44 PM CDT	Areal Flood Warning	DMX	Madison	11 hr
Jun 5, 6:01 PM CDT	River Flood Warning	DMX	Wapello	15 hr

Nearby

Flash Flood Warnings in Iowa, 2008 Every flash flood warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.