Alert archive / Minnesota / Flash Flood Warnings in 2002

Flash Flood Warning 11, NWS Twin Cities, MN

June 24, 2002Hennepin County, Meeker County, Wright County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 24, 2002, 11:48 PM CDT for Hennepin County, Meeker County, Wright County, Minnesota. It was in force for 4 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 24, 2002, 11:48 PM CDT (04:48 UTC)
Expired: Jun 25, 2002, 4:00 AM CDT
In force: 4 hr
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Hennepin County, MN, Meeker County, MN, Wright County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.8 hours before the alert went out and 39 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2853 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1414 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 52 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 9.8

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 250448
FFWMSP
MNC053-093-171-250900-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1145 PM CDT MON JUN 24 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS EXTENDED A

* FLASH FLOOD WARNING FOR...
  WRIGHT COUNTY IN CENTRAL MINNESOTA
  MEEKER COUNTY IN CENTRAL MINNESOTA
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 400 AM CDT

* AT 1145 PM CDT...RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
  OVER THE WARNED AREA.  MORE THUNDERSTORMS ALSO CONTINUE TO DEVELOP 
WEST OF THE WARNED AREA.  WIDESPREAD FLOODING HAS BEEN REPORTED IN 
WRIGHT COUNTY WITH MANY ROADS UNDER WATER AND BASEMENTS FLOODED.

* THE GROUND HAS ALREADY BEEN SATURATED BY RECENT RAINFALL IN THE
  WARNED AREA...AND ADDITIONAL RAIN WILL RUNOFF AND CAUSE FLOODING.

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 4519 9349 4493 9340 4507 9456 4530 9449

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 7:17 PM CDT	Severe Thunderstorm Warning	MPX	Wright	58 min
Jun 24, 7:42 PM CDT	Severe Thunderstorm Warning	MPX	Wright	33 min
Jun 24, 7:51 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Meeker	39 min
Jun 24, 8:30 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Wright	60 min
Jun 24, 8:57 PM CDT	Flash Flood Warning	MPX	Carver, Hennepin, McLeod, Wright	3 hr
Jun 24, 10:26 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	49 min
Jun 24, 10:33 PM CDT	Severe Thunderstorm Warning	MPX	Wright	42 min
Jun 24, 10:55 PM CDT	Tornado Warning	MPX	Carver, Wright	35 min
Jun 24, 11:11 PM CDT	Flash Flood Warning	MPX	Meeker	5 hr
Jun 24, 11:23 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	52 min
Jun 25, 12:46 AM CDT	Severe Thunderstorm Warning	MPX	Meeker	44 min
Jun 25, 1:37 AM CDT	Flash Flood Warning	MPX	Carver, McLeod	2 hr
Jun 25, 5:03 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	57 min
Jun 25, 5:50 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec	40 min
Jun 25, 6:17 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Mille Lacs	43 min
Jun 25, 6:28 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec	47 min
Jun 25, 6:40 PM CDT	Severe Thunderstorm Warning	MPX	Isanti	50 min
Jun 25, 6:41 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	64 min

Nearby

Flash Flood Warnings in Minnesota, 2002 Every 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.