Alert archive / Minnesota / Flash Flood Warnings in 2000

Flash Flood Warning 7, NWS Twin Cities, MN

September 2, 2000Dakota County, Minnesota

NWS Twin Cities, MN issued this flash flood warning at Sep 2, 2000, 11:59 PM CDT for Dakota County, 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
Sep 2, 2000, 11:59 PM CDT (04:59 UTC)
Expired
Sep 3, 2000, 3:00 AM CDT
In force
3 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 04:58 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, 5.0 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 2000-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1042 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 2000-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 527 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
1042 J/kg
Mixed-layer CIN
-543 J/kg
Mixed-layer LCL
1110 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
527 m²/s²
0-3 km storm-relative helicity
714 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KMPX 030459
FFWMPX
MNC037-030800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1159 PM CDT SAT SEP 2 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 300 AM CDT

* AT 1158 PM CDT...ONE BATCH OF STORMS WITH TORRENTIAL RAIN HAD
  ALREADY MOVED ACROSS NORTHERN DAKOTA COUNTY...AND ANOTHER LINE OF
  STORMS HAD BEGUN MOVING INTO BURNSVILLE...EAGAN AND INVER GROVE
  HEIGHTS AND OTHER SUBURBS OF DAKOTA COUNTY.  RAINFALL OF FOUR OR
  FIVE INCHES IS POSSIBLE.

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 9:39 PM CDTSevere Thunderstorm WarningMPXMcLeod, Wright66 min
Sep 2, 9:49 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin56 min
Sep 2, 10:19 PM CDTSevere Thunderstorm WarningMPXChisago56 min
Sep 2, 10:30 PM CDTSevere Thunderstorm WarningMPXRamsey45 min
Sep 2, 10:42 PM CDTSevere Thunderstorm WarningMPXHennepin63 min
Sep 2, 10:49 PM CDTSevere Thunderstorm WarningMPXWatonwan56 min
Sep 2, 10:56 PM CDTSevere Thunderstorm WarningMPXWashington64 min
Sep 2, 11:01 PM CDTFlash Flood WarningMPXHennepin, Ramsey, Washington3 hr
Sep 2, 11:01 PM CDTSevere Thunderstorm WarningMPXScott59 min
Sep 2, 11:10 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Nicollet65 min
Sep 2, 11:42 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey33 min
Sep 2, 11:48 PM CDTSevere Thunderstorm WarningMPXBlue Earth42 min
Sep 2, 11:53 PM CDTSevere Thunderstorm WarningMPXScott22 min
Sep 3, 12:08 AM CDTSevere Thunderstorm WarningMPXWaseca67 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.