Alert archive / Minnesota / Flash Flood Warnings in 2002

Flash Flood Warning 7, NWS Twin Cities, MN

June 24, 2002Benton County, Sherburne County, Stearns County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 24, 2002, 5:02 PM CDT for Benton County, Sherburne County, Stearns County, Minnesota. It was in force for 118 min. 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 24, 2002, 5:02 PM CDT (22:02 UTC)
Expired
Jun 24, 2002, 7:00 PM CDT
In force
118 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Benton County, MN, Sherburne County, MN, Stearns County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.0 hours before the alert went out and 96 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, Minneapolis, MN at 12:00Z on 2002-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 278 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 12:00Z on 2002-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.193958Sfc1 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
278 J/kg
Mixed-layer CIN
-322 J/kg
Mixed-layer LCL
1573 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
127 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 KMPX 242202
FFWMSP
MNC009-141-145-250000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
500 PM CDT MON JUN 24 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BENTON COUNTY IN CENTRAL MINNESOTA
  EASTERN STEARNS COUNTY IN CENTRAL MINNESOTA
  NORTHERN SHERBURNE COUNTY IN CENTRAL MINNESOTA

* UNTIL 700 PM CDT

* AT 455 PM...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED SWOLLEN       
  DITCHES ACROSS PORTIONS OF BENTON COUNTY AND FLASH FLOODING IN THE 
  CITY OF WAITE PARK.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA.

ABSOLUTELY DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER
COVERS THE ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED. MOVE TO HIGHER GROUND.

LAT...LON 4576 9385 4549 9379 4541 9460 4576 9448

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 3:37 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Ramsey, Washington38 min
Jun 24, 4:10 PM CDTSevere Thunderstorm WarningMPXStearns35 min
Jun 24, 5:09 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright51 min
Jun 24, 5:23 PM CDTFlash Flood WarningMPXChisago, Isanti97 min
Jun 24, 5:47 PM CDTSevere Thunderstorm WarningMPXAnoka43 min

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.