Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 36, NWS Twin Cities, MN

July 7, 2000Isanti County, Mille Lacs County, Sherburne County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 2000, 10:05 AM CDT for Isanti County, Mille Lacs County, Sherburne County, Minnesota. It was in force for 40 min. 2 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
Jul 7, 2000, 10:05 AM CDT (15:05 UTC)
Expired
Jul 7, 2000, 10:45 AM CDT
In force
40 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Isanti County, MN, Mille Lacs County, MN, Sherburne County, MN

What was reported inside it

TimeReportWhereRemark
Jul 7, 10:06 AM CDTThunderstorm Wind 55 EZimmerman, MNLarge trees and powerlines blown down.
Jul 7, 10:08 AM CDTThunderstorm Wind 55 EZimmerman, MNLarge trees felled.

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 nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 3.1 hours before the alert went out and 89 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 2000-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 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 12:00Z on 2000-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 249 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
50 J/kg
Mixed-layer CIN
-428 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
249 m²/s²
0-3 km storm-relative helicity
367 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 071506
SVRMSP
MNC059-095-141-071545-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1005 AM CDT FRI JUL 7 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHERN MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA
  NORTHEAST SHERBURNE COUNTY IN CENTRAL MINNESOTA
  ISANTI COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 1045 AM CDT

* AT 1005 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS OVER
  PRINCETON...MOVING SOUTHEAST AT 35 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  PRIINCETON
  BRAHAM
  CAMBRIDGE
  ZIMMERMAN
 
THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 10:13 AM CDTSevere Thunderstorm WarningMPXAnoka47 min
Jul 7, 10:43 AM CDTSevere Thunderstorm WarningMPXHennepin, Ramsey62 min
Jul 7, 11:04 AM CDTSevere Thunderstorm WarningMPXWashington41 min
Jul 7, 11:14 AM CDTTornado WarningMPXWashington31 min
Jul 7, 12:14 PM CDTSevere Thunderstorm WarningMPXGoodhue46 min
Jul 7, 6:39 PM CDTSevere Thunderstorm WarningMPXDouglas66 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.