Alert archive / Minnesota / Flash Flood Warnings in 2003

Flash Flood Warning 2, NWS Grand Forks, ND

June 17, 2003Polk County, Minnesota; Grand Forks County, North Dakota

NWS Grand Forks, ND issued this flash flood warning at Jun 17, 2003, 2:01 AM CDT for Polk County, Minnesota; Grand Forks County, North Dakota. It was in force for 4 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 17, 2003, 2:01 AM CDT (07:01 UTC)
Expired: Jun 17, 2003, 6:00 AM CDT
In force: 4 hr
Issued by: NWS Grand Forks, ND
Area: Counties, with a storm outline in the text

Counties Polk County, MN, Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 51 km from the middle of the area, began a volume at 07:01 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

International Fa, MN (KINL), launched 00:00Z, 7.0 hours before the alert went out and 289 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: 191 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1545 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFGF 170706
FFWFGF
MNC119-NDC035-171100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
201 AM CDT TUE JUN 17 2003

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  EASTERN GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA AND
  NORTHWESTERN POLK COUNTY IN NORTHWEST MINNESOTA.

* UNTIL 600 AM CDT.

* AT 156 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS WITH HEAVY RAIN NEARLY STATIONARY OVER GRAND FORKS AND 
EAST GRAND FORKS.

* EMERADO...GRAND FORKS...EAST GRAND FORKS...TABOR...SHERACK...AND 
FISHER WILL BE AFFECTED BY THE HEAVY RAIN. RAINFALL AMOUNTS OF 
NEARLY TWO INCHES HAS OCCURRED NEAR GRAND FORKS. ADDITIONAL AMOUNTS 
OF ONE TO TWO INCHES ARE EXPECTED. URBAN FLOODING IS EXPECTED TO 
AFFECT THE GREATER GRAND FORKS AREA OVER THE NEXT COUPLE OF HOURS. 

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.

LAT...LON 4805 9736 4779 9732 4778 9668 4814 9674


$$

GUST

1 follow-up statement

000 
WGUS73 KFGF 170908
FFSFGF
MNC119-NDC035-170925-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
403 AM CDT TUE JUN 17 2003

...THE FLASH FLOOD WARNING FOR EASTERN GRAND FORKS AND NORTHWESTERN
POLK COUNTIES HAS BEEN CANCELLED...

AT 402 AM CDT...NATIONAL WEATHER SEVICE DOPPLER RADAR INDICATED THAT 
THE THUNDERSTORMS HAD WEAKENED AND MOVED EAST OF THE WARNING AREA. 

THE HEAVY RAIN HAS SUBSIDED. GRAND FORKS AND EAST GRAND FORKS POLICE 
INDICATE THAT CITY FLOODING HAS ALSO SUBSIDED...SO THE WARNING HAS 
BEEN CANCELLED. 

FOR MORE INFORMATION...TUNE TO NOAA WEATHER RADIO OR YOUR LOCAL 
TELEVISION...CABLE TELEVISION OR RADIO. AND REMEMBER TO CHECK OUT 
OUR WEB SITE AT WWW.CRH.NOAA.GOV/FGF FOR THE LATEST IN WATCHES 
WARNING AND STATEMENTS.

$$
GUST

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 12:56 PM CDT	Severe Thunderstorm Warning	FGF	Grand Forks	49 min
Jun 17, 2:14 PM CDT	Severe Thunderstorm Warning	FGF	Traill	46 min
Jun 17, 3:49 PM CDT	Severe Thunderstorm Warning	FGF	Pembina	41 min

Nearby

Flash Flood Warnings in Minnesota, 2003 Flash Flood Warnings in North Dakota, 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.