Alert archive / Minnesota / Flash Flood Warnings in 1998

Flash Flood Warning 1, NWS Twin Cities, MN

June 26, 19987 counties in Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jun 26, 1998, 9:22 PM CDT for 7 counties in Minnesota. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 26, 1998, 9:22 PM CDT (02:22 UTC)
Expired
Jun 27, 1998, 12:20 AM CDT
In force
3 hr
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Carver County, MN, Dakota County, MN, Hennepin County, MN, Le Sueur County, MN, Rice County, MN, Scott County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 24 km from the middle of the area, began a volume at 02:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.4 hours before the alert went out and 24 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 00:00Z on 1998-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1872 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 00:00Z on 1998-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 311 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
1872 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
810 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
311 m²/s²
0-3 km storm-relative helicity
469 m²/s²
Significant tornado parameter
3.0
Supercell composite
26.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 270225
FFWMSP
MNC019-037-053-079-123-131-139-143-163-WIC093-109-270520-

BULLETIN - EAS ACTIVATION REQUESTED
MSPFFWMSP
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
922 PM CDT FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN TWIN CITIES/CHANHASSEN HAS ISSUED A

* FLASH FLOOD WARNING IN EAST CENTRAL MINNESOTA
  CARVER COUNTY
  DAKOTA COUNTY
  HENNEPIN COUNTY
  NORTHERN LE SUEUR COUNTY
  RAMSEY COUNTY
  NORTHERN RICE COUNTY
  SCOTT COUNTY
  WASHINGTON COUNTY
  SIBLEY COUNTY IN SOUTH CENTRAL MINNESOTA
  PIERCE COUNTY IN WEST CENTRAL WISCONSIN
  ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN

* UNTIL 1220 AM CDT

* AT 920PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE TWIN
  CITIES METRO AREA INTO WEST CENTRAL WISCONSIN... MOVING
  NORTHEAST AT 30 MPH.

* DOPPLER RADAR INDICATES AS MUCH AS  3 INCHES OF RAIN HAS FALLEN
  FROM MINNEAPOLIS INTO RIVER FALLS WISCONSIN AND SOUTHWEST TO
  NEW PRAGUE TO FARMINGTON.

DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!

EDWARDS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 7:24 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago51 min
Jun 26, 7:34 PM CDTSevere Thunderstorm WarningMPXBenton, Sherburne, Stearns66 min
Jun 26, 7:38 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley62 min
Jun 26, 7:45 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Scott60 min
Jun 26, 7:49 PM CDTSevere Thunderstorm WarningMPXWright66 min
Jun 26, 8:07 PM CDTTornado WarningMPXMcLeod, Sibley48 min
Jun 26, 8:12 PM CDTTornado WarningMPXLe Sueur, Rice, Scott48 min
Jun 26, 8:19 PM CDTSevere Thunderstorm WarningMPXIsanti, Mille Lacs66 min
Jun 26, 8:25 PM CDTSevere Thunderstorm WarningMPXWashington50 min
Jun 26, 8:25 PM CDTSevere Thunderstorm WarningMPXRamsey50 min
Jun 26, 8:34 PM CDTSevere Thunderstorm WarningMPXCarver, Sibley56 min
Jun 26, 8:39 PM CDTSevere Thunderstorm WarningMPXStearns66 min
Jun 26, 8:50 PM CDTSevere Thunderstorm WarningMPXDakota, Scott65 min
Jun 26, 8:51 PM CDTTornado WarningMPXRice34 min
Jun 26, 9:00 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine60 min
Jun 26, 9:10 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stevens60 min
Jun 26, 9:10 PM CDTSevere Thunderstorm WarningMPXChippewa, Swift60 min
Jun 26, 9:13 PM CDTTornado WarningMPXYellow Medicine47 min
Jun 26, 9:22 PM CDTFlash Flood WarningMPXRamsey, Washington3 hr
Jun 26, 9:24 PM CDTTornado WarningMPXStearns31 min
Jun 26, 9:28 PM CDTTornado WarningMPXRice47 min
Jun 26, 9:41 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Stearns, Todd64 min
Jun 26, 9:51 PM CDTSevere Thunderstorm WarningMPXGoodhue64 min
Jun 26, 9:54 PM CDTTornado WarningMPXYellow Medicine46 min
Jun 26, 10:03 PM CDTTornado WarningMPXBenton, Stearns42 min
Jun 26, 10:06 PM CDTSevere Thunderstorm WarningMPXChippewa34 min
Jun 26, 10:15 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville60 min
Jun 26, 10:15 PM CDTSevere Thunderstorm WarningMPXMeeker60 min
Jun 26, 10:16 PM CDTSevere Thunderstorm WarningMPXMorrison64 min
Jun 26, 10:22 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice53 min
Jun 26, 10:28 PM CDTFlash Flood WarningMPXGoodhue2 hr
Jun 26, 10:39 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright66 min
Jun 26, 10:39 PM CDTSevere Thunderstorm WarningMPXMille Lacs66 min
Jun 26, 10:54 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley56 min
Jun 26, 11:00 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin65 min
Jun 26, 11:00 PM CDTSevere Thunderstorm WarningMPXIsanti65 min
Jun 26, 11:10 PM CDTSevere Thunderstorm WarningMPXMeeker, Renville35 min
Jun 26, 11:16 PM CDTSevere Thunderstorm WarningMPXCarver49 min
Jun 26, 11:33 PM CDTSevere Thunderstorm WarningMPXGoodhue42 min
Jun 26, 11:36 PM CDTSevere Thunderstorm WarningMPXDakota, Scott54 min
Jun 26, 11:36 PM CDTSevere Thunderstorm WarningMPXChisago, Washington54 min
Jun 26, 11:36 PM CDTSevere Thunderstorm WarningMPXRamsey54 min
Jun 26, 11:45 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley30 min
Jun 27, 12:17 AM CDTSevere Thunderstorm WarningMPXGoodhue, Le Sueur, Rice58 min
Jun 27, 12:44 AM CDTFlash Flood WarningMPXDakota, Goodhue, Rice2 hr
Jun 27, 12:44 AM CDTFlash Flood WarningMPXHennepin, Le Sueur, Scott2 hr
Jun 27, 12:44 AM CDTFlash Flood WarningMPXRamsey, Washington2 hr
Jun 27, 4:10 PM CDTSevere Thunderstorm WarningMPXMartin50 min
Jun 27, 4:31 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Watonwan59 min
Jun 27, 4:31 PM CDTSevere Thunderstorm WarningMPXFaribault59 min
Jun 27, 4:48 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood62 min
Jun 27, 5:00 PM CDTSevere Thunderstorm WarningMPXMartin65 min
Jun 27, 5:30 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault65 min
Jun 27, 5:36 PM CDTTornado WarningMPXFaribault, Martin34 min
Jun 27, 5:50 PM CDTSevere Thunderstorm WarningMPXCarver, Scott, Sibley65 min
Jun 27, 5:56 PM CDTSevere Thunderstorm WarningMPXFreeborn, Steele, Waseca64 min
Jun 27, 6:01 PM CDTTornado WarningMPXFaribault, Freeborn, Waseca34 min
Jun 27, 6:07 PM CDTTornado WarningMPXNicollet, Sibley48 min
Jun 27, 6:17 PM CDTTornado WarningMPXLe Sueur48 min
Jun 27, 6:22 PM CDTTornado WarningMPXFreeborn33 min
Jun 27, 6:26 PM CDTTornado WarningMPXDakota, Rice54 min
Jun 27, 6:46 PM CDTTornado WarningMPXSteele29 min
Jun 27, 6:57 PM CDTTornado WarningMPXFreeborn33 min

Nearby

Flash Flood Warnings in Minnesota, 1998Every flash flood warning in 1998

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; radar from the NEXRAD Level II archive.