Alert archive / Minnesota / Flash Flood Warnings in 2000

Flash Flood Warning 11, NWS Grand Forks, ND

June 20, 20004 counties in Minnesota

NWS Grand Forks, ND issued this flash flood warning at Jun 20, 2000, 1:44 AM CDT for 4 counties in Minnesota. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jun 20, 2000, 1:44 AM CDT (06:44 UTC)
Expired
Jun 20, 2000, 4:00 AM CDT
In force
2 hr
Issued by
NWS Grand Forks, ND
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Mahnomen County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 109 km from the middle of the area, began a volume at 06:47 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, 6.7 hours before the alert went out and 219 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 2000-06-20Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2000-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
1558 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
222 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 200649
FFWFGF
MNC087-113-119-125-200900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND-GRAND FORKS
144 AM CDT TUE JUN 20 2000

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  RED LAKE COUNTY IN NORTHWEST MINNESOTA
  MAHNOMEN COUNTY IN NORTHWEST MINNESOTA
  EASTERN POLK COUNTY IN NORTHWEST MINNESOTA
  PENNINGTON COUNTY IN NORTHWEST MINNESOTA

* UNTIL 400 AM CDT

* AT 142 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE ALONG A LINE
  EXTENDING FROM 4 MILES NORTHEAST OF OKLEE TO 3 MILES WEST OF
  FOSSTON TO 5 MILES EAST OF WAUBUN OR ALONG A LINE EXTENDING FROM 25
  MILES SOUTHEAST OF THIEF RIVER FALLS TO 40 MILES SOUTHEAST OF THIEF
  RIVER FALLS TO 24 MILES NORTH OF DETROIT LAKES...MOVING NORTHEAST AT 35
  MPH.

* MCCINTOSH...OKLEE...MAHNOMEN...MCINTOSH...AND GULLY WILL BE
AFFECTED BY THE HEAVY RAIN. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3
INCHES OF RAIN THROUGH 4 AM CAN BE EXPECTED. THIS WILL CAUSE
SIGNIFICANT LOCAL RISES ON THE CLEARWATER AND RED LAKE RIVER
UPSTREAM OF THE CITY OF RED LAKE FALLS.

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 9601 4739 9606 4717 9604 4717 9586
          4723 9559 4812 9561

NNNN
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:36 PM CDTTornado WarningFGFClay29 min
Jun 19, 7:58 PM CDTFlash Flood WarningFGFClay3 hr
Jun 19, 8:03 PM CDTTornado WarningFGFClay32 min
Jun 19, 10:21 PM CDTSevere Thunderstorm WarningFGFClay29 min
Jun 19, 10:57 PM CDTFlash Flood WarningFGFClay5 hr
Jun 20, 12:16 AM CDTFlash Flood WarningFGFNorman4 hr
Jun 20, 1:28 AM CDTFlash Flood WarningFGFPolk3 hr

Nearby

Flash Flood Warnings in Minnesota, 2000Every flash flood warning in 2000

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.