Alert archive / Minnesota / Flash Flood Warnings in 2000

Flash Flood Warning 3, NWS Twin Cities, MN

July 8, 2000Dakota County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Jul 8, 2000, 2:50 AM CDT for Dakota County, Minnesota. It was in force for 2 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
Jul 8, 2000, 2:50 AM CDT (07:50 UTC)
Expired
Jul 8, 2000, 5:00 AM CDT
In force
2 hr
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Dakota County, MN

The radar

The Minneapolis radar (KMPX), 44 km from the middle of the area, began a volume at 07:52 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, 7.8 hours before the alert went out and 47 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 2000-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2326 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 00:00Z on 2000-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 316 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
2326 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
701 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
316 m²/s²
0-3 km storm-relative helicity
494 m²/s²
Significant tornado parameter
5.5
Supercell composite
32.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 080754
FFWMPX
MNC037-081000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
250 AM CDT SAT JUL 8 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS EXTENDED THE

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

* UNTIL 500 AM CDT

* AT 250 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
RAIN JUST SOUTH OF HASTINGS...OR ABOUT 13 MILES NORTHWEST OF RED
WING...MOVING EAST AT 10 MPH.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING ON HIGHWAY 11 AND
HIGHWAY 13.  NUMEROUS BASEMENTS HAVE ALSO BEEM REPORTED FLOODED IN
EAGAN AND ROSEMOUNT.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN
DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND.

TO REPORT FLOODING CONDITIONS...HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN THE TWIN CITIES.

THE FLASH FLOOD WARNING FOR SOUTHERN HENNEPIN AND RAMSAY COUNTIES
WAS ALLOWED TO EXPIRE AT 3:00 AM.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 7:33 PM CDTTornado WarningMPXDouglas, Pope42 min
Jul 7, 8:08 PM CDTTornado WarningMPXPope52 min
Jul 7, 8:38 PM CDTTornado WarningMPXStearns52 min
Jul 7, 8:59 PM CDTTornado WarningMPXKandiyohi46 min
Jul 7, 9:30 PM CDTTornado WarningMPXStearns30 min
Jul 7, 11:44 PM CDTSevere Thunderstorm WarningMPXDakota46 min
Jul 8, 12:02 AM CDTSevere Thunderstorm WarningMPXHennepin, Ramsey58 min
Jul 8, 12:18 AM CDTFlash Flood WarningMPXDakota, Hennepin, Ramsey3 hr
Jul 8, 12:27 AM CDTSevere Thunderstorm WarningMPXDakota63 min
Jul 8, 1:27 AM CDTSevere Thunderstorm WarningMPXDakota63 min

Nearby

Flash Flood Warnings in Minnesota, 2000Every flash flood warning in 2000

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.