Severe Thunderstorm Warning 309, NWS Twin Cities, MN

Issued

Aug 13, 2007, 8:17 PM CDT (01:17 UTC)

Expired

Aug 13, 2007, 9:15 PM CDT

In force

58 min

Issued by

NWS Twin Cities, MN

Area

Counties, with a storm outline in the text

Counties Isanti County, MN, Sherburne County, MN

The Minneapolis radar (KMPX), 76 km from the middle of the area, began a volume at 01:17 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.

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

000 
WUUS53 KMPX 140118
SVRMPX
MNC059-141-140215-
/O.NEW.KMPX.SV.W.0309.070814T0117Z-070814T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
817 PM CDT MON AUG 13 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ISANTI COUNTY IN EAST CENTRAL MINNESOTA...
  SHERBURNE COUNTY IN CENTRAL MINNESOTA...

* UNTIL 915 PM CDT

* AT 813 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND WINDS
  IN EXCESS OF 70 MPH WINDS.  THESE STORMS WERE LOCATED ALONG A
  LINE EXTENDING FROM 19 MILES NORTHWEST OF CAMBRIDGE TO 29 MILES
  NORTHWEST OF ZIMMERMAN...AND MOVING SOUTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CAMBRIDGE...
  ZIMMERMAN...
  ISANTI...
  ELK RIVER...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT
TUESDAY MORNING FOR SOUTHERN MINNESOTA.

LAT...LON 4572 9322 4571 9348 4554 9353 4553 9413
      4535 9385 4532 9355 4542 9353 4544 9302

$$

JPR

000 
WWUS53 KMPX 140207
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
905 PM CDT MON AUG 13 2007

MNC059-141-140215-
/O.CON.KMPX.SV.W.0309.000000T0000Z-070814T0215Z/
ISANTI MN-SHERBURNE MN-
905 PM CDT MON AUG 13 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR SHERBURNE AND ISANTI COUNTIES...

AT 852 PM CDT...LARGE TREES WERE BLOW DOWN AND HAIL UP TO ONE INCH 
IN DIAMETER WERE REPORTED 4 MILES N OF SANTIAGO WITH THIS STORM. THIS
IS A DANGEROUS STORM...SEEK SAFE SHELTER AND STAY AWAY FROM WINDOWS

AT 903 PM CDT...THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 12 MILES EAST OF ATHENS TO 5 MILES SOUTHEAST OF ZIMMERMAN...AND
MOVING SOUTHEAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE STANCHFIELD...SANTIAGO...
GRANDY...DALBO...BODUM...ATHENS...ZIMMERMAN...ISANTI...ELK RIVER AND
CAMBRIDGE.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS

LAT...LON 4572 9322 4571 9348 4554 9353 4553 9413
      4535 9385 4532 9355 4542 9353 4544 9302

$$

JPR

Severe Thunderstorm Warnings in Minnesota, 2007Every severe thunderstorm warning in 2007

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; radar from the NEXRAD Level II archive.