Alert archive / Minnesota / Flash Flood Warnings in 2002

Flash Flood Warning 18, NWS Twin Cities, MN

July 10, 200219 counties in Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 10, 2002, 8:54 AM CDT for 19 counties in 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, 8:54 AM CDT (13:54 UTC)
Expired
Jul 10, 2002, 2:45 PM CDT
In force
6 hr
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Anoka County, MN, Benton County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Ramsey County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Washington County, MN, Wright County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 1.9 hours before the alert went out and 52 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 2002-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 219 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 12:00Z on 2002-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 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
219 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
571 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
383 m²/s²
Significant tornado parameter
0.1
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 101354
FFWMSP
MNC003-009-019-025-037-053-059-065-085-093-095-097-123-139-141-143-
145-163-171-101945-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
848 AM CDT WED JUL 10 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MORRISON COUNTY IN CENTRAL MINNESOTA
  MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA
  KANABEC COUNTY IN EAST CENTRAL MINNESOTA
  BENTON COUNTY IN CENTRAL MINNESOTA
  STEARNS COUNTY IN CENTRAL MINNESOTA
  ISANTI COUNTY IN EAST CENTRAL MINNESOTA
  CHISAGO COUNTY IN EAST CENTRAL MINNESOTA
  SHERBURNE COUNTY IN CENTRAL MINNESOTA
  WRIGHT COUNTY IN CENTRAL MINNESOTA
  ANOKA COUNTY IN EAST CENTRAL MINNESOTA
  MEEKER COUNTY IN CENTRAL MINNESOTA
  WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA
  RAMSEY COUNTY IN EAST CENTRAL MINNESOTA
  MCLEOD COUNTY IN CENTRAL MINNESOTA
  CARVER COUNTY IN EAST CENTRAL MINNESOTA
  DAKOTA COUNTY IN EAST CENTRAL MINNESOTA
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA
  SIBLEY COUNTY IN CENTRAL MINNESOTA

* UNTIL 245 PM CDT

* AT 848 AM CDT...RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
  OVER THE WARNED AREA.

* BETWEEN 245 AM AND 845 AM CDT...RAIN AMOUNTS BETWEEN 2 AND 5       
  INCHES HAVE FALLEN FROM THE NORTHERN TWIN CITIES METRO AREA        
  NORTHWARD THROUGH KANBEC AND MORRISON COUNTIES. ADDITIONAL SLOW    
  MOVING THUNDERSTORMS...WITH TORRENTIAL DOWNPOURS...WILL MOVE       
  ACROSS 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 4593 9287 4462 9290 4461 9355 4453 9416
          4554 9481 4604 9431

$$
NAISTAT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 2:00 AM CDTSevere Thunderstorm WarningMPXStevens45 min
Jul 10, 2:48 AM CDTSevere Thunderstorm WarningMPXPope, Stevens42 min
Jul 10, 4:02 AM CDTSevere Thunderstorm WarningMPXPope, Stearns43 min
Jul 10, 9:45 AM CDTFlash Flood WarningMPXDouglas, Pope, Todd5 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.