Alert archive / Minnesota / Flash Flood Warnings in 2002

Flash Flood Warning 3, NWS Grand Forks, ND

June 9, 2002Polk County, Minnesota

NWS Grand Forks, ND issued this flash flood warning at Jun 9, 2002, 2:36 AM CDT for Polk County, Minnesota. It was in force for 6 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 9, 2002, 2:36 AM CDT (07:36 UTC)
Expired
Jun 9, 2002, 8:30 AM CDT
In force
6 hr
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Polk County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 57 km from the middle of the area, began a volume at 07:39 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, 7.6 hours before the alert went out and 269 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-pSkew-T log-p diagram, International Fa, MN at 00:00Z on 2002-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2002-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2278 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
68 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 090736
FFWFAR
MNC119-091230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
234 AM CDT SUN JUN 9 2002

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  WESTERN POLK COUNTY IN NORTHWEST MINNESOTA.

* UNTIL 830 AM CDT.

* AT 224 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE ALONG A LINE
  EXTENDING FROM 8 MILES NORTHWEST OF TABOR TO 7 MILES SOUTH OF
  CLIMAX...OR ALONG A LINE EXTENDING FROM 15 MILES NORTH OF GRAND
  FORKS TO 30 MILES SOUTH OF GRAND FORKS...MOVEMENT WAS TO THE EAST
  AT 20 MPH.

* EAST GRAND FORKS...CROOKSTON...MALLORY...HAROLD...GREENVIEW AND    
  EUCLID WILL BE AFFECTED BY THE HEAVY RAIN. RAINFALL AMOUNTS OF  
  OVER 2 INCHES HAVE BEEN INDICATED BY DOPPLER RADAR AND SURFACE
  REPORTS. 

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 4816 9705 4753 9686 4753 9648 4813 9654


21

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 10:59 PM CDTSevere Thunderstorm WarningFGFNorman46 min
Jun 9, 12:07 AM CDTSevere Thunderstorm WarningFGFNorman38 min
Jun 9, 12:37 AM CDTSevere Thunderstorm WarningFGFPolk38 min
Jun 9, 1:30 AM CDTSevere Thunderstorm WarningFGFBecker, Mahnomen45 min
Jun 9, 3:31 AM CDTSevere Thunderstorm WarningFGFMahnomen, Norman44 min
Jun 9, 4:14 AM CDTSevere Thunderstorm WarningFGFBecker, Clay, Mahnomen, Norman46 min
Jun 9, 4:16 AM CDTFlash Flood WarningFGFNorman6 hr
Jun 9, 4:57 AM CDTSevere Thunderstorm WarningFGFBecker, Clay, Mahnomen, Norman63 min
Jun 9, 5:04 AM CDTFlash Flood WarningFGFMahnomen6 hr
Jun 9, 5:23 AM CDTFlash Flood WarningFGFPennington, Polk, Red Lake6 hr
Jun 9, 5:53 AM CDTTornado WarningFGFBecker, Clay37 min
Jun 9, 5:57 AM CDTSevere Thunderstorm WarningFGFMahnomen, Norman63 min
Jun 9, 6:07 AM CDTFlash Flood WarningFGFBecker, Clay6 hr
Jun 9, 6:29 AM CDTSevere Thunderstorm WarningFGFBecker, Clay61 min
Jun 9, 7:35 AM CDTSevere Thunderstorm WarningFGFBecker55 min
Jun 9, 7:47 AM CDTSevere Thunderstorm WarningFGFClearwater43 min
Jun 9, 7:53 AM CDTSevere Thunderstorm WarningFGFBeltrami, Hubbard67 min
Jun 9, 7:56 AM CDTFlash Flood WarningFGFClearwater4 hr
Jun 9, 8:28 AM CDTSevere Thunderstorm WarningFGFBecker, Clearwater62 min
Jun 9, 10:51 AM CDTSevere Thunderstorm WarningFGFPolk39 min
Jun 9, 11:33 AM CDTFlash Flood WarningFGFPennington, Polk, Red Lake6 hr
Jun 9, 1:48 PM CDTSevere Thunderstorm WarningFGFPolk42 min
Jun 9, 5:25 PM CDTFlash Flood WarningFGFMarshall, Pennington, Red Lake4 hr

Nearby

Flash Flood Warnings in Minnesota, 2002Every flash flood warning in 2002

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.