Alert archive / Iowa / Flash Flood Warnings in 2008

Flash Flood Warning 41, NWS Des Moines, IA

June 5, 20084 counties in Iowa

NWS Des Moines, IA issued this flash flood warning at Jun 5, 2008, 11:00 PM CDT for 4 counties in Iowa. It was in force for 5 hr. 5 reports 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 5, 2008, 11:00 PM CDT (04:00 UTC)
Expired: Jun 6, 2008, 4:15 AM CDT
In force: 5 hr
Issued by: NWS Des Moines, IA
Area: Storm-based polygon
Flood severity: None

Counties Adair County, IA, Clarke County, IA, Madison County, IA, Warren County, IA

The radar

The Des Moines radar (KDMX), 69 km from the middle of the area, began a volume at 03:58 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 5, 11:22 PM CDT	FLASH FLOOD	4 N Indianola, IA	WATER OVER THE ROAD AT 115TH AVE.
Jun 5, 11:45 PM CDT	FLOOD	1 Nne Martensdale, IA	HIGHWAY 28 ON NORTH EDGE OF MARTENSDALE HAS WATER OVER THE ROAD
Jun 5, 11:45 PM CDT	FLASH FLOOD	Norwalk, IA	6-8 INCHES OF WATER RUNNING OVER ROADS. UP TO A FOOT OF STANDING WATER IN OTHER PLACES.
Jun 6, 1:10 AM CDT	FLASH FLOOD	Patterson, IA	DEBRIS WASHING INTO STREETS FROM MIDDLE RIVER.
Jun 6, 1:41 AM CDT	FLASH FLOOD	4 Nw Patterson, IA	WATER OVER THE ROAD AT CUMMING ROAD AND QUAIL RIDGE AVE.

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 5 storm reports to this flash flood warning; the first came 22 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, 4.0 hours before the alert went out and 198 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: 2054 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 280 m²/s²
0-3 km storm-relative helicity: 303 m²/s²
Significant tornado parameter: 4.0
Supercell composite: 14.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KDMX 060401
FFWDMX
IAC001-039-121-181-061000-
/O.NEW.KDMX.FF.W.0041.080606T0400Z-080606T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1100 PM CDT THU JUN 5 2008

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLARKE COUNTY IN SOUTH CENTRAL IOWA...
  MADISON COUNTY IN SOUTH CENTRAL IOWA...
  WESTERN WARREN COUNTY IN SOUTH CENTRAL IOWA...
  EASTERN ADAIR COUNTY IN SOUTHWEST IOWA...

* UNTIL 500 AM CDT

* AT 1058 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  WINTERSET...STUART...NORWALK...INDIANOLA...GREENFIELD AND EARLHAM

ADDITIONAL RAINFALL AMOUNTS OF AROUND AN INCH ARE POSSIBLE IN THE 
WARNED AREA THROUGH 1200 AM CDT.

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 4090 9402 4116 9401 4116 9448 4150 9448
      4151 9356 4090 9356
TIME...MOT...LOC 0400Z 180DEG 0KT 4130 9390

$$

LEE

5 follow-up statements

000 
WGUS73 KDMX 060457
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1155 PM CDT THU JUN 5 2008

IAC001-039-121-181-061000-
/O.CON.KDMX.FF.W.0041.000000T0000Z-080606T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARKE IA-ADAIR IA-MADISON IA-WARREN IA-
1155 PM CDT THU JUN 5 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR
WESTERN WARREN...MADISON...EASTERN ADAIR AND CLARKE COUNTIES...

AT 1154 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINTERSET...
STUART...NORWALK...INDIANOLA...GREENFIELD AND EARLHAM

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA THROUGH 100 AM CDT. SIGNIFICANT FLOODING HAS BEEN 
REPORTED AREAS SOUTH OF THE DES MOINES METRO AREA...ACROSS NORTHERN 
PORTIONS OF WARREN COUNTY. WITH THE HEAVY RAINFALL...FALLING OVER 
AREAS THAT WERE ALREADY HAD FLOODING OCCURRING FROM PREVIOUS 
RAINFALL LAST NIGHT...THIS IS A VERY DANGEROUS SITUATION. 

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 100 AM CDT FRIDAY MORNING FOR
WESTERN IOWA. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 500 AM CDT
FRIDAY MORNING FOR EASTERN IOWA.

LAT...LON 4090 9402 4116 9401 4116 9448 4150 9448
      4151 9356 4090 9356
TIME...MOT...LOC 0455Z 180DEG 0KT 4130 9390

$$

LEE

000 
WGUS73 KDMX 060605
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
103 AM CDT FRI JUN 6 2008

IAC001-039-121-181-061000-
/O.CON.KDMX.FF.W.0041.000000T0000Z-080606T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARKE IA-ADAIR IA-MADISON IA-WARREN IA-
103 AM CDT FRI JUN 6 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR
WESTERN WARREN...MADISON...EASTERN ADAIR AND CLARKE COUNTIES...

AT 1259 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

AT 102 AM CDT...LAW ENFORCEMENT REPORTED DEBRIS FROM THE MIDDLE 
RIVER WASHING UP ON FLOODED STREETS IN THE TOWN OF PATTERSON. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINTERSET...
STUART...NORWALK...INDIANOLA...GREENFIELD AND EARLHAM

ADDITIONAL RAINFALL AMOUNTS OF WILL BE LIGHT THROUGH 200 AM CDT IN 
THE WARNED AREA...HOWEVER HEAVY RAIN HAS FALLEN UPSTREAM AND 
ADDITIONAL WATER RISES MAY OCCUR TO TRIGGER ADDITIONAL FLASH 
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.

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

LAT...LON 4090 9402 4116 9401 4116 9448 4150 9448
      4151 9356 4090 9356
TIME...MOT...LOC 0603Z 180DEG 0KT 4130 9390

$$

LEE

000 
WGUS73 KDMX 060704
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
203 AM CDT FRI JUN 6 2008

IAC001-039-121-181-061000-
/O.CON.KDMX.FF.W.0041.000000T0000Z-080606T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARKE IA-ADAIR IA-MADISON IA-WARREN IA-
203 AM CDT FRI JUN 6 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR
WESTERN WARREN...MADISON...EASTERN ADAIR AND CLARKE COUNTIES...

AT 200 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINTERSET...
STUART...NORWALK...INDIANOLA...GREENFIELD AND EARLHAM

ALTHOUGH THE RAINFALL HAS ENDED...FLOODING REMAINS A CONCERN ACROSS 
THE WARNED AREA AS WATER CONTINUES TO BE REPORTED OVER ROADWAYS IN 
PORTIONS OF MADISON AND WESTERN WARREN COUNTIES. 

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 FRIDAY MORNING FOR
EASTERN IOWA.

LAT...LON 4090 9402 4116 9401 4116 9448 4150 9448
      4151 9356 4090 9356
TIME...MOT...LOC 0703Z 180DEG 0KT 4130 9390

$$

LEE

000 
WGUS73 KDMX 060759
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
258 AM CDT FRI JUN 6 2008

IAC001-039-121-181-061000-
/O.CON.KDMX.FF.W.0041.000000T0000Z-080606T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARKE IA-ADAIR IA-MADISON IA-WARREN IA-
258 AM CDT FRI JUN 6 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR
WESTERN WARREN...MADISON...EASTERN ADAIR AND CLARKE COUNTIES...

AT 256 AM CDT...FLASH FLOODING IS EXPECTED TO CONTINUE OVER THE 
WARNED AREA FROM HEAVY RAINFALL RECEIVED EARLIER IN THE NIGHT.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WINTERSET...
STUART...NORWALK...INDIANOLA...GREENFIELD AND EARLHAM

ALTHOUGH THE RAINFALL HAS ENDED...RESIDUAL RUNOFF FROM THE HEAVY 
RAINFALL WILL CONTIUE TO CAUSE FLASH FLOODING CONCERNS THROUGHOUT 
THE WARNED AREA. 

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 FRIDAY MORNING FOR
EASTERN IOWA.

LAT...LON 4090 9402 4116 9401 4116 9448 4150 9448
      4151 9356 4090 9356
TIME...MOT...LOC 0758Z 180DEG 0KT 4130 9390

$$

LEE

000 
WGUS73 KDMX 060915
FFSDMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
415 AM CDT FRI JUN 6 2008

IAC001-039-121-181-060925-
/O.CAN.KDMX.FF.W.0041.000000T0000Z-080606T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARKE IA-ADAIR IA-MADISON IA-WARREN IA-
415 AM CDT FRI JUN 6 2008

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTERN WARREN...
MADISON...EASTERN ADAIR AND CLARKE COUNTIES...

THE RAINFALL HAS ENDED ACROSS THE WARNED AREA...ALLOWING FOR THE 
FLASH FLOOD THREAT TO SUBSIDE. HOWEVER DUE TO THE HEAVY RAINS...MANY 
ROADWAYS STILL REMAIN UNDER WATER...AND THIS WARNING HAS NOW BEEN 
REPLACED BY AN AREAL FLOOD WARNING IN EFFECT THROUGH THIS AFTERNOON. 

LAT...LON 4090 9402 4116 9401 4116 9448 4150 9448
      4151 9356 4090 9356
TIME...MOT...LOC 0915Z 180DEG 0KT 4130 9390

$$

ALBRECHT

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 5, 7:40 PM CDT, 3 hours 20 minutes earlier.

Area forecast discussion, Jun 5, 7:40 PM CDT, 3 hours 20 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
740 PM CDT THU JUN 5 2008

.UPDATED PUBLIC DISCUSSION...

.DISCUSSION...
HAVE UPDATED ZONES TO REFLECT INCREASING SFC INFLOW WHICH IS AT
TIMES NEAR 45 MPH INTO THE LINE OF STORMS FORMING ACROSS WESTERN IA.
AT THIS TIME...WILL NOT ISSUE AN ADVISORY BUT HIT HARD IN NOWCASTS.
ONGOING SVR WX THREAT CONTINUES. 00Z UPPER AIR AND SFC ANALYSES SHOW
THAT THE MAIN WAVE IS JUST ROUNDING THE BASE OF THE DEEPENING H500
TROUGH. NO CHANGES TO THINKING...LINE OF SEVERE STORMS SHOULD
CONTINUE MOVING NORTHEAST OVERNIGHT AS UPPER LEVEL SYSTEM LIFTS
QUICKLY ACROSS THE STATE OVERNIGHT.

.PREVIOUS DISCUSSION...
DYNAMIC WX STTN UNFOLDING RAPIDLY AS 80 TO 90 KT JET ROTATES OUT
OF THE ROCKIES TROF. LN OF TSRA HAD DVLPD OVR CNTRL NEBRASKA INTO
CNTRL KS. THERE WILL BE TO AREAS OF FOCUS. ONE ALONG AND N OF THE
WRM FRONT WHERE CAP IS WEAKENING...WITH MAIN AREA MOVG INTO WRN IA
TWD SNST. EXPECT ALL MODES OF SVR WX INITIALLY...WITH LINE TAKING
ON MORE OF A BOW CONFIGURATION TWD 06Z AND AFT WITH HIGH WINDS THE
STRONGER THREAT. CELL MVMT LKLY TO BE AT LEAST 50 KTS...HOWEVER
WITH THE SYS BEING MORE OF A QLCS INSTEAD OF DISCRETE
SYS...TRAINING MAY PRODUCE COPIOUS AMTS OF RAFL. ERN IA MAY YET BE
UNDER THE GUN ERY FRI...BUT WX SHOULD BE QUIET BY LATER FRI INTO
SAT MRNG. NEXT ROUND EXPECTED BY LATER SAT AFTN INTO SAT NGT WITH
ANOTHER SVR ROUND QUITE LKLY. PTRN SEEMS LIKE A BROKEN RECORD WITH
NEXT SYS MOVG INTO THE CENTRAL CONUS BY MON. FFA REMAINS FOR TNGT
INT FRI MRNG AND IT LOOKS LKLY THAT RAFL TNGT WILL AGGRIVATE
FLOODING SITUATION.

&&

AVIATION 06/00Z...
SEVERE WEATHER OUTBREAK IS LIKELY FROM MID EVENING THROUGH THE
OVERNIGHT HOURS. CONVECTION SHOULD INITIATE IN WESTERN IOWA THEN
MOVE EAST ACROSS IOWA DURING THE EVENING AND OVERNIGHT.
CURRENTLY...EXPECTATIONS ARE FOR DISCRETE SUPERCELLS TO MOVE ACROSS
THE WESTERN/CENTRAL TAF SITES THROUGH 06Z WITH POTENTIAL FOR WIND
GUSTS TO 50 KTS OR HIGHER...LOW VSBYS...AND VERY HEAVY RAINFALL.
STORMS WILL TRANSITION TO WIND GENERATING STRUCTURES THROUGH 12 TO
13Z EAST...WITH SIMILAR POTENTIAL FOR SVR WINDS...LOW VSBYS...AND
HEAVY RAINFALL. TIMING OF EVENTS IN TAF...EXPECT DRYLINE/FRONT TO
MOVE EAST BY MID MORNING FRIDAY RESULTING IN VFR CIGS...BUT
CONTINUED GUSTY SFC WINDS WITH WINDS TO 40 KTS FRIDAY MORNING./REV

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH FRIDAY MORNING FOR ADAIR-ADAMS-AUDUBON-
BOONE-CALHOUN-CARROLL-CASS-CERRO GORDO-CLARKE-CRAWFORD-DALLAS-
DECATUR-EMMET-FRANKLIN-GREENE-GUTHRIE-HAMILTON-HANCOCK-HARDIN-
HUMBOLDT-KOSSUTH-MADISON-PALO ALTO-POCAHONTAS-POLK-RINGGOLD-SAC-
STORY-TAYLOR-UNION-WARREN-WEBSTER-WINNEBAGO-WORTH-WRIGHT.

FLASH FLOOD WATCH FROM 10 PM CDT THIS EVENING THROUGH FRIDAY
MORNING FOR APPANOOSE-BLACK HAWK-BREMER-BUTLER-DAVIS-GRUNDY-
JASPER-LUCAS-MAHASKA-MARION-MARSHALL-MONROE-POWESHIEK-TAMA-
WAPELLO-WAYNE.

&&

MS JUN 08/REV

Hazardous weather outlook, Jun 5, 5:10 PM CDT, 5 hours 50 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
510 PM CDT THU JUN 5 2008

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-061415-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-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-
510 PM CDT THU JUN 5 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ALL OF CENTRAL IOWA.

.DAY ONE...TONIGHT

THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS EVENING IN
WESTERN IOWA...THEN SPREAD EASTWARD TONIGHT. ALL MODES OF SEVERE
WEATHER ARE POSSIBLE...INCLUDING A FEW LONG TRACK SIGNIFICANT
TORNADOES AND STORMS WHICH MAY ALSO PRODUCE SIGNIFICANT WIND DAMAGE
THROUGH THE NIGHT TIME HOURS. ADDITIONAL HEAVY RAIN WILL PRODUCE
SERIOUS FLASH FLOODING OVER RAIN SATURATED AREAS.

A FLASH FLOOD WATCH IS IN EFFECT FOR THE AREA THROUGH FRIDAY
MORNING. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THUNDERSTORMS WILL BE ONGOING EARLY FRIDAY MORNING WITH ADDITIONAL
HEAVY RAIN POSSIBLE BEFORE ENDING BY MIDDAY. WIDESPREAD
THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON AND NIGHT WITH
ISOLATED SEVERE STORMS AND HEAVY RAIN AGAIN POSSIBLE.  SHOWERS
AND THUNDERSTORM CHANCES CONTINUE EVERY DAY SUNDAY THROUGH
TUESDAY...AND WIDESPREAD RIVER FLOODING WILL CONTINUE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NEEDED THIS EVENING THROUGH THE NIGHT
TIME HOURS...AND POSSIBLY AGAIN SATURDAY AFTERNOON AND NIGHT.

REV

In the hours before

Local storm report, Jun 5, 10:10 PM CDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1010 PM CDT THU JUN 05 2008

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

1007 PM     NON-TSTM WND DMG GRUVER                  43.39N 94.70W
06/05/2008                   EMMET              IA   LAW ENFORCEMENT

            POWER OUTAGES AND TREES DOWN IN GRUVER. FROM EMMET COUNTY
            SHERIFF.

&&

STEACHOU

Local storm report, Jun 5, 10:34 PM CDT, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1034 PM CDT THU JUN 05 2008

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

1034 PM     HAIL             SHELDAHL                41.86N 93.70W
06/05/2008  M0.88 INCH       STORY              IA   AMATEUR RADIO

&&

MDR/BSS

Local storm report, Jun 5, 10:37 PM CDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1037 PM CDT THU JUN 05 2008

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

0925 PM     TORNADO          4 N CRESTON             41.12N 94.36W
06/05/2008                   UNION              IA   LAW ENFORCEMENT

            ROOF OFF AN OUTBUILDING AND POWER LINES DOWN.

&&

ALBRECHT

Local storm report, Jun 5, 10:50 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1050 PM CDT THU JUN 05 2008

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

1049 PM     HAIL             AMES                    42.02N 93.63W
06/05/2008  E0.88 INCH       STORY              IA   AMATEUR RADIO

&&

MDR/BSS

Local storm report, Jun 5, 10:58 PM CDT, 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1058 PM CDT THU JUN 05 2008

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

1056 PM     FLASH FLOOD      SW EAST PERU            41.22N 93.93W
06/05/2008                   MADISON            IA   LAW ENFORCEMENT

            FLASH FOODING OF CLANTON CREEK.

&&

MDR/BSS

Local storm report, Jun 5, 11:00 PM CDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE DES MOINES IA
1100 PM CDT THU JUN 05 2008

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

1056 PM     FLASH FLOOD      SW EAST PERU            41.22N 93.93W
06/05/2008                   MADISON            IA   LAW ENFORCEMENT

            FLASH FLOODING OF CLANTON CREEK.

&&

MDR/BSS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 7:40 PM CDT	Flash Flood Warning	DMX	Adams, Cass	6 hr
Jun 5, 8:00 PM CDT	Tornado Warning	DMX	Adair, Adams, Cass	34 min
Jun 5, 8:25 PM CDT	Tornado Warning	DMX	Adair, Audubon, Cass, Guthrie	36 min
Jun 5, 8:27 PM CDT	Tornado Warning	DMX	Taylor	48 min
Jun 5, 8:30 PM CDT	Flash Flood Warning	DMX	Adair, Adams, Taylor	6 hr
Jun 5, 9:05 PM CDT	Tornado Warning	DMX	Adams, Ringgold, Union	40 min
Jun 5, 9:09 PM CDT	Severe Thunderstorm Warning	DMX	Ringgold, Union	51 min
Jun 5, 9:15 PM CDT	Flash Flood Warning	DMX	Ringgold, Union	6 hr
Jun 5, 9:17 PM CDT	High Wind Warning	DMX	Calhoun, Emmet, Palo Alto, Pocahontas, Sac	4 hr
Jun 5, 9:37 PM CDT	Severe Thunderstorm Warning	DMX	Adair, Clarke, Madison, Union	38 min
Jun 5, 10:01 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Ringgold, Union	44 min
Jun 5, 10:12 PM CDT	Tornado Warning	DMX	Dallas, Polk	21 min
Jun 5, 10:13 PM CDT	River Flood Warning	DMX	Appanoose, Wayne	19 hr
Jun 5, 11:14 PM CDT	Flash Flood Warning	DMX	Boone, Dallas, Polk, Story	6 hr
Jun 5, 11:22 PM CDT	Tornado Warning	DMX	Decatur, Ringgold	23 min
Jun 5, 11:30 PM CDT	Flash Flood Warning	DMX	Decatur	4 hr
Jun 5, 11:42 PM CDT	Tornado Warning	DMX	Clarke	33 min
Jun 5, 11:44 PM CDT	Severe Thunderstorm Warning	DMX	Decatur	31 min
Jun 5, 11:55 PM CDT	River Flood Warning	DMX	Polk	9 hr
Jun 5, 11:57 PM CDT	Severe Thunderstorm Warning	DMX	Lucas, Wayne	48 min
Jun 6, 12:02 AM CDT	Tornado Warning	DMX	Marion, Warren	43 min
Jun 6, 12:20 AM CDT	Severe Thunderstorm Warning	DMX	Marion, Warren	40 min
Jun 6, 12:32 AM CDT	Tornado Warning	DMX	Jasper	28 min
Jun 6, 12:46 AM CDT	River Flood Warning	DMX	Polk	28 hr
Jun 6, 12:47 AM CDT	Severe Thunderstorm Warning	DMX	Marshall	43 min
Jun 6, 12:50 AM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Poweshiek	40 min
Jun 6, 12:55 AM CDT	Flash Flood Warning	DMX	Warren	3 hr
Jun 6, 12:59 AM CDT	Tornado Warning	DMX	Jasper, Marshall, Poweshiek, Tama	46 min
Jun 6, 1:08 AM CDT	Severe Thunderstorm Warning	DMX	Butler, Grundy, Tama	52 min
Jun 6, 1:21 AM CDT	River Flood Warning	DMX	Taylor	5 hr
Jun 6, 1:21 AM CDT	Tornado Warning	DMX	Poweshiek, Tama	24 min
Jun 6, 1:26 AM CDT	Tornado Warning	DMX	Black Hawk, Tama	34 min
Jun 6, 1:36 AM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer	39 min
Jun 6, 3:50 AM CDT	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	12 hr
Jun 6, 3:56 AM CDT	Areal Flood Warning	DMX	Madison	20 hr
Jun 6, 4:13 AM CDT	Areal Flood Warning	DMX	Warren	15 hr
Jun 6, 5:03 AM CDT	Areal Flood Warning	DMX	Polk	6 hr
Jun 6, 5:08 AM CDT	Areal Flood Warning	DMX	Story	6 hr
Jun 6, 11:08 AM CDT	Areal Flood Warning	DMX	Polk	6 hr
Jun 6, 11:13 AM CDT	Areal Flood Warning	DMX	Story	24 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.