Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 117, NWS Twin Cities, MN

September 2, 2000Anoka County, Hennepin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 2, 2000, 9:49 PM CDT for Anoka County, Hennepin County, Minnesota. It was in force for 56 min. 6 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 2, 2000, 9:49 PM CDT (02:49 UTC)
Expired
Sep 2, 2000, 10:45 PM CDT
In force
56 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Anoka County, MN, Hennepin County, MN

The radar

The Minneapolis radar (KMPX), 36 km from the middle of the area, began a volume at 02:52 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.

What was reported inside it

TimeReportWhereRemark
Sep 2, 10:15 PM CDTHail 1Orono, MN
Sep 2, 10:25 PM CDTHail 1Long Lake, MN
Sep 2, 10:27 PM CDTHail 1St Bonifacius, MN
Sep 2, 10:30 PM CDTHail 1Fridley, MNHail occurred in Columbia Heights.
Sep 2, 10:35 PM CDTHail 1Minnetrista, MN
Sep 2, 10:50 PM CDTHail 1Crystal, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 2, 7:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.8 hours before the alert went out and 37 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.

987 
WUUS53 KMPX 030249
SVRMSP
MNC003-053-030345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
949 PM CDT SAT SEP 2 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ANOKA COUNTY IN EAST CENTRAL MINNESOTA
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 1045 PM CDT

* AT 949 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL 2 MILES NORTHEAST OF LORETTO...
  OR ABOUT 18 MILES NORTHWEST OF MINNEAPOLIS...MOVING NORTHEAST AT 20
  MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  MAPLE GROVE
  EAST BETHEL
  COON RAPIDS
  BROOKLYN PARK
  FRIDLEY
  MINNEAPOLIS

THIS IS A DANGEROUS STORM WITH LARGE HAIL...STAY INDOORS AWAY FROM
WINDOWS.

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, 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 2, 11:59 PM CDTFlash Flood WarningMPXDakota3 hr
Sep 3, 12:08 AM CDTSevere Thunderstorm WarningMPXWaseca67 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2000Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.