Alert archive / Minnesota / Flash Flood Warnings in 2002

Flash Flood Warning 17, NWS Twin Cities, MN

July 8, 2002Kanabec County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 8, 2002, 4:21 AM CDT for Kanabec County, Minnesota. It was in force for 114 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: Jul 8, 2002, 4:21 AM CDT (09:21 UTC)
Expired: Jul 8, 2002, 6:15 AM CDT
In force: 114 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Kanabec County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.4 hours before the alert went out and 140 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: 2219 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1249 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 080921
FFWMSP
MNC065-081115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
416 AM CDT MON JUL 8 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KANABEC COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 615 AM CDT

* AT 416 AM CDT...RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
  OVER THE WARNED AREA.

* DOPPLER RADAR RAINFALL ESTIMATES OF 3 TO 4 INCHES ARE INDICATED   
  FOR A 3 HOUR PERIOD ENDING AT 4 AM.  INDICATIONS ARE THAT MORE 
  HEAVY THUNDERSTORM ACTIVITY IS LIKELY TO PASS ACROSS NORTHERN      
  KANABEC COUNTY...INCLUDING WOODLAND AND WARMAN. 

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 4616 9306 4600 9305 4596 9350 4614 9341

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 7:37 PM CDT	Severe Thunderstorm Warning	MPX	Stearns, Wright	38 min
Jul 7, 8:49 PM CDT	Severe Thunderstorm Warning	MPX	Stearns, Todd	41 min
Jul 7, 10:01 PM CDT	Flash Flood Warning	MPX	Douglas, Morrison, Todd	6 hr
Jul 7, 10:41 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Todd	49 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.