Alert archive / Minnesota / Flash Flood Warnings in 2002

Flash Flood Warning 12, NWS Grand Forks, ND

June 9, 2002Grand Forks County, North Dakota; Pennington County, Polk County, Red Lake County, Minnesota

NWS Grand Forks, ND issued this flash flood warning at Jun 9, 2002, 11:33 AM CDT for Grand Forks County, North Dakota; Pennington County, Polk County, Red Lake 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, 11:33 AM CDT (16:33 UTC)
Expired
Jun 9, 2002, 5:30 PM CDT
In force
6 hr
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

Counties Pennington County, MN, Polk County, MN, Red Lake County, MN, Grand Forks County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 48 km from the middle of the area, began a volume at 16:34 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 12:00Z, 4.6 hours before the alert went out and 292 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 12:00Z on 2002-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 12:00Z on 2002-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.193958Sfc1 km3 km6 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
7 J/kg
Mixed-layer CIN
-164 J/kg
Mixed-layer LCL
631 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KFGF 091633
FFWFAR
MNC113-119-125-NDC035-092230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
1131 AM CDT SUN JUN 9 2002

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  GRAND FORKS COUNTY IN NORTHEAST NORTH DAKOTA...
  PENNINGTON COUNTY IN NORTHWEST MINNESOTA...POLK COUNTY IN 
NORTHWEST MINNESOTA AND
  RED LAKE COUNTY IN NORTHWEST MINNESOTA.

* UNTIL 530 PM CDT.

* AT 1129 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE ALONG A LINE
  EXTENDING FROM 4 MILES WEST OF ORR TO 4 MILES SOUTHWEST OF
  NORTHWOOD...OR ALONG A LINE EXTENDING FROM 28 MILES SOUTHWEST OF
  GRAFTON TO 30 MILES SOUTHWEST OF GRAND FORKS...MOVEMENT WAS TO THE
  NORTHEAST AT 20 MPH.

* GRAND FORKS...RED LAKE FALLS...EAST GRAND FORKS...THOMPSON AND   
NORTHWOOD WILL BE AFFECTED BY THE HEAVY RAIN. ADDITIONAL RAINFALL 
AMOUNTS OF UP TO 2 INCHES ARE POSSIBLE...WHICH WILL CAUSE FLASH 
FLOODING ACROSS THE ENTIRE REGION.

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 4812 9792 4770 9780 4764 9581 4812 9620


8

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 10:24 PM CDTSevere Thunderstorm WarningFGFGrand Forks36 min
Jun 8, 10:59 PM CDTSevere Thunderstorm WarningFGFCass, Traill46 min
Jun 8, 11:40 PM CDTSevere Thunderstorm WarningFGFEddy35 min
Jun 8, 11:58 PM CDTSevere Thunderstorm WarningFGFBenson, Ramsey47 min
Jun 9, 12:30 AM CDTSevere Thunderstorm WarningFGFNelson45 min
Jun 9, 12:37 AM CDTSevere Thunderstorm WarningFGFGrand Forks38 min
Jun 9, 1:10 AM CDTFlash Flood WarningFGFEddy6 hr
Jun 9, 1:18 AM CDTSevere Thunderstorm WarningFGFGriggs42 min
Jun 9, 1:45 AM CDTSevere Thunderstorm WarningFGFBenson, Ramsey45 min
Jun 9, 2:00 AM CDTSevere Thunderstorm WarningFGFGriggs, Steele45 min
Jun 9, 2:06 AM CDTFlash Flood WarningFGFGrand Forks6 hr
Jun 9, 3:34 AM CDTFlash Flood WarningFGFBenson, Nelson, Ramsey6 hr
Jun 9, 6:47 AM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Ransom58 min
Jun 9, 7:15 AM CDTFlash Flood WarningFGFBarnes, Cass4 hr
Jun 9, 7:17 AM CDTFlash Flood WarningFGFBarnes, Cass4 hr
Jun 9, 9:42 AM CDTSevere Thunderstorm WarningFGFCass48 min
Jun 9, 12:07 AM CDTSevere Thunderstorm WarningFGFNorman38 min
Jun 9, 1:30 AM CDTSevere Thunderstorm WarningFGFBecker, Mahnomen45 min
Jun 9, 2:36 AM CDTFlash Flood WarningFGFPolk6 hr
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, 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, 2002Flash Flood Warnings in North Dakota, 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.