Alert archive / Minnesota / Flash Flood Warnings in 2002

Flash Flood Warning 35, NWS Grand Forks, ND

July 10, 2002Norman County, Minnesota

NWS Grand Forks, ND issued this flash flood warning at Jul 10, 2002, 1:07 AM CDT for Norman 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
Jul 10, 2002, 1:07 AM CDT (06:07 UTC)
Expired
Jul 10, 2002, 7:00 AM CDT
In force
6 hr
Issued by
NWS Grand Forks, ND
Area
Counties, with a storm outline in the text

County Norman County, MN

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 6.1 hours before the alert went out and 277 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 2002-07-10Temperature 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 2002-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
1680 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
58 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 100607
FFWFAR
MNC107-101200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS
103 AM CDT WED JUL 10 2002

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  NORMAN COUNTY IN NORTHWEST MINNESOTA.

* UNTIL 700 AM CDT.

* AT 1256 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO MOVE ALONG A LINE
  EXTENDING FROM 5 MILES SOUTHWEST OF LOCKHART TO 5 MILES SOUTH OF
  ADA...OR ALONG A LINE EXTENDING FROM 37 MILES NORTH OF FARGO TO 28
  MILES NORTHEAST OF FARGO...MOVEMENT WAS TO THE NORTHEAST AT 10 MPH.

* HALSTAD...TWIN VALLEY...SHELLY...HADLER...RANUM...ADA AND FLAMING
  WILL BE AFFECTED BY THE HEAVY RAIN. RAINFALL AMOUNTS OF 1 TO 2 
  INCHES HAVE OCCURRED ...WITH ADDITIONAL AMOUNTS OF 1 TO 2 INCHES 
  EXPECTED THROUGH THE EARLY MORNING. STREET FLOODING IS EXPECTED 
  IN URBAN AREAS ...AND WATER WILL RISE QUICKLY IN DITCHES AND 
  SMALL STREAMS.

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 4744 9684 4719 9674 4721 9614 4749 9615

77
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 11:30 PM CDTFlash Flood WarningFGFPolk6 hr
Jul 10, 10:47 AM CDTFlash Flood WarningFGFClay, Otter Tail, Wilkin6 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.