Alert archive / Minnesota / Flash Flood Warnings in 2003

Flash Flood Warning 9, NWS Grand Forks, ND

June 24, 2003Grant County, Minnesota

NWS Grand Forks, ND issued this flash flood warning at Jun 24, 2003, 10:06 PM CDT for Grant County, Minnesota. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 24, 2003, 10:06 PM CDT (03:06 UTC)
Expired: Jun 25, 2003, 6:00 AM CDT
In force: 8 hr
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

County Grant County, MN

The radar

The Aberdeen radar (KABR), 191 km from the middle of the area, began a volume at 03:07 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.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 3.1 hours before the alert went out and 216 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: 728 J/kg
Mixed-layer CIN: -202 J/kg
Mixed-layer LCL: 790 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 249 m²/s²
0-3 km storm-relative helicity: 552 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFGF 250312
FFWFGF
MNC051-251100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1006 PM CDT TUE JUN 24 2003

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  GRANT COUNTY IN WEST CENTRAL MINNESOTA.

* UNTIL 600 AM CDT.

* AT 1002 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED      
  THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE ACROSS GRANT        
  COUNTY...MOVEMENT WAS TO THE NORTHEAST AT 35 MPH.

* HOFFMAN...ELBOW LAKE...WENDELL...NORCROSS AND HERMAN WILL BE       
  AFFECTED BY THE HEAVY RAIN. RADAR ESTIMATED RAINFALL AMOUNTS OF 2  
  TO 3 INCHES ARE POSSIBLE THROUGH MIDNIGHT. DUE TO SATURATED SOIL   
  CONDITIONS CAUSED BY HEAVY RAINFALL OVER THE LAST FEW              
  DAYS...RUNOFF SHOULD BE RAPID AND WILL CAUSE RIVER LEVELS TO RISE  
  QUICKLY. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN THE DANGERS OF FLASH FLOODING
ARE HARD TO RECOGNIZE.

LAT...LON 4579 9622 4578 9579 4610 9577 4609 9621


$$

BRAMER

2 follow-up statements

000 
WGUS73 KFGF 250630
FFSFGF
MNC051-251100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
124 AM CDT WED JUN 25 2003

...A FLASH FLOOD WARNING CONTINUES FOR GRANT COUNTY UNTIL 600 AM
CDT...

AT 122 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THUNDERSTORMS WITH HEAVY RAIN HAVE LIFTED TO THE NORTHEAST 
OF THE AREA. HOWEVER ADDITIONAL THUNDERSTORM DEVELOPMENT OVER
NORTHEAST SOUTH DAKOTA SHOULD OVERSPREAD THE REGION EARLY THIS
MORNING. LATEST DOPPLER RAINFALL ESTIMATES INDICATE THAT ONE TO 
TWO INCHES OF RAINFALL HAVE ALREADY FALLEN ACROSS PARTS OF THE 
AREA TONIGHT. THIS RAINFALL COUPLED WITH ALREADY SATURATED GROUNDS 
HAS RESULTED IN LOCALIZED FLOODING OF LOW LYING AREAS AND DITCHES. 

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL TELEVISION...CABLE
TELEVISION OR RADIO FOR THE LATEST WEATHER INFORMATION. CHECK OUT OUR
WEB SITE AT WWW.CRH.NOAA.GOV/FGF/INDEX.HTML USING LOWER CASE.

$$
BERG

000 
WGUS73 KFGF 251108
FFSFGF
MNC051-251130-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
605 AM CDT WED JUN 25 2003

...THE FLASH FLOOD WARNING FOR GRANT COUNTY WAS ALLOWED TO EXPIRE AT 
600 AM CDT...

LOCAL LAW ENFORCEMENT REPORTS THAT THE WATER HAS RECEDED ACROSS THE 
COUNTY. A FEW SHOWERS WILL LINGER THE REMAINDER OF THE DAY...HOWEVER 
THE THREAT FOR FLOODING RAINS HAS DIMINISHED.

$$
DONAVON

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 8:27 PM CDT	Severe Thunderstorm Warning	FGF	Norman	48 min
Jun 24, 8:33 PM CDT	Severe Thunderstorm Warning	FGF	Polk	42 min
Jun 24, 10:45 PM CDT	Flash Flood Warning	FGF	Wilkin	8 hr
Jun 24, 11:18 PM CDT	Severe Thunderstorm Warning	FGF	Norman	42 min
Jun 24, 11:21 PM CDT	Severe Thunderstorm Warning	FGF	Clay	39 min
Jun 24, 11:55 PM CDT	Severe Thunderstorm Warning	FGF	Clay	50 min

Nearby

Flash Flood Warnings in Minnesota, 2003 Every flash flood warning in 2003

Sources

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