Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 263, NWS Twin Cities, MN

August 3, 2008Chisago County, Isanti County, Kanabec County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 3, 2008, 1:22 PM CDT for Chisago County, Isanti County, Kanabec County, Minnesota. It was in force for 53 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 3, 2008, 1:22 PM CDT (18:22 UTC)
Expired
Aug 3, 2008, 2:15 PM CDT
In force
53 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Chisago County, MN, Isanti County, MN, Kanabec County, MN

What was reported inside it

TimeReportWhereRemark
Aug 3, 1:45 PM CDTHAIL 0.757 Nw Cambridge, MN
Aug 3, 1:49 PM CDTHAIL 14 N Cambridge, MN
Aug 3, 1:56 PM CDTHAIL 11 Ene Grandy, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 6.4 hours before the alert went out and 105 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 2008-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2008-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1041 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 031822
SVRMPX
MNC025-059-065-031915-
/O.NEW.KMPX.SV.W.0263.080803T1822Z-080803T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
122 PM CDT SUN AUG 3 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN KANABEC COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHERN ISANTI COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHWESTERN CHISAGO COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 215 PM CDT

* AT 119 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING PENNY SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. 
  THIS STORM WAS LOCATED 6 MILES SOUTH OF DALBO...OR ABOUT 6 MILES
  NORTHEAST OF PRINCETON...AND MOVING EAST AT 26 MPH.

* SOME LOCATIONS INCLUDE...
  DALBO...
  OGILVIE...
  CAMBRIDGE...
  GRANDY...
  MORA...
  STANCHFIELD...
  BRAHAM...
  GRASSTON...
  QUAMBA...
  HARRIS...
  RUSH CITY...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

LAT...LON 4560 9290 4552 9351 4589 9351 4590 9351
      4599 9313 4574 9314 4573 9285
TIME...MOT...LOC 1822Z 253DEG 22KT 4561 9345

$$
2 follow-up statements
000 
WWUS53 KMPX 031842
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
142 PM CDT SUN AUG 3 2008

MNC025-059-065-031915-
/O.CON.KMPX.SV.W.0263.000000T0000Z-080803T1915Z/
KANABEC MN-ISANTI MN-CHISAGO MN-
142 PM CDT SUN AUG 3 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR NORTHWESTERN CHISAGO...NORTHERN ISANTI AND SOUTHERN KANABEC
COUNTIES...

AT 140 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH.  THE SEVERE STORM WAS LOCATED 6 MILES SOUTHEAST OF
DALBO...AND MOVING EAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE STANCHFIELD...LEWIS LAKE...
GRANDY...DALBO...BRUNSWICK...RUSH CITY...QUAMBA...OGILVIE...MORA AND
HARRIS.

PREPARE IMMEDIATELY FOR DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

LAT...LON 4560 9290 4552 9351 4589 9351 4590 9351
      4599 9313 4574 9314 4573 9285
TIME...MOT...LOC 1842Z 253DEG 22KT 4563 9333

$$

RAH
000 
WWUS53 KMPX 031901
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
201 PM CDT SUN AUG 3 2008

MNC025-059-065-031915-
/O.CON.KMPX.SV.W.0263.000000T0000Z-080803T1915Z/
KANABEC MN-ISANTI MN-CHISAGO MN-
159 PM CDT SUN AUG 3 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR NORTHWESTERN CHISAGO...NORTHERN ISANTI AND SOUTHERN KANABEC
COUNTIES...

AT 149 PM CDT...QUARTER SIZE SIZE HAIL WAS REPORTED IN GRANDY WITH 
THIS STORM.

AT 158 PM CDT.... THE SEVERE STORM WAS LOCATED NEAR GRANDY...AND 
MOVING EAST AT 29 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE STANCHFIELD...LEWIS LAKE...
GRANDY...DALBO...BRUNSWICK...RUSH CITY...QUAMBA...OGILVIE...MORA AND
HARRIS.

PREPARE IMMEDIATELY FOR DAMAGING WINDS OR LARGE HAIL. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

PREPARE IMMEDIATELY FOR. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.

LAT...LON 4560 9290 4552 9351 4589 9351 4590 9351
      4599 9313 4574 9314 4573 9285
TIME...MOT...LOC 1859Z 265DEG 25KT 4564 9316

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 11:12 AM CDTSevere Thunderstorm WarningMPXSherburne, Stearns, Wright48 min
Aug 3, 11:32 AM CDTSevere Thunderstorm WarningMPXChisago, Isanti, Mille Lacs, Sherburne43 min
Aug 3, 1:17 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs, Morrison, Sherburne, Stearns58 min
Aug 3, 1:54 PM CDTSevere Thunderstorm WarningMPXMille Lacs, Morrison48 min
Aug 3, 2:25 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Stearns65 min
Aug 3, 3:26 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs, Sherburne, Stearns39 min
Aug 3, 4:29 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti20 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.