Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 201, NWS Twin Cities, MN

July 16, 20084 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 16, 2008, 9:26 AM CDT for 4 counties in Minnesota. It was in force for 64 min. 2 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
Jul 16, 2008, 9:26 AM CDT (14:26 UTC)
Expired
Jul 16, 2008, 10:30 AM CDT
In force
64 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Meeker County, MN, Sherburne County, MN, Stearns County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 72 km from the middle of the area, began a volume at 14:27 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
Jul 16, 9:28 AM CDTHAIL 0.751 S Rockville, MNDIME HAIL REPORTED.
Jul 16, 9:49 AM CDTHAIL 13 Nne Fairhaven, MNNICKEL TO QUARTER SIZED HAIL.

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, 2.4 hours before the alert went out and 70 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 2008-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2360 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 2008-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
2360 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 161426
SVRMPX
MNC093-141-145-171-161530-
/O.NEW.KMPX.SV.W.0201.080716T1426Z-080716T1530Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
926 AM CDT WED JUL 16 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
  SOUTHWESTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA...
  NORTHWESTERN WRIGHT COUNTY IN CENTRAL MINNESOTA...
  NORTHEASTERN MEEKER COUNTY IN CENTRAL MINNESOTA...

* UNTIL 1030 AM CDT

* AT 923 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. 
  THIS STORM WAS LOCATED 4 MILES SOUTHEAST OF COLD SPRING...OR ABOUT
  15 MILES SOUTHWEST OF ST CLOUD...AND MOVING EAST AT 30 MPH.

* SOME LOCATIONS INCLUDE...
  PLEASANT LAKE...
  KIMBALL...
  LUXEMBURG...
  FAIRHAVEN...
  SOUTH HAVEN...
  ST AUGUSTA...
  ANNANDALE...
  CLEARWATER...
  CLEAR LAKE...
  MAPLE LAKE...
  BECKER...
  MONTICELLO...

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.

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.

LAT...LON 4547 9374 4518 9385 4528 9454 4555 9446
TIME...MOT...LOC 1426Z 277DEG 26KT 4540 9436

$$
3 follow-up statements
000 
WWUS53 KMPX 161442
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
941 AM CDT WED JUL 16 2008

MNC093-141-145-171-161530-
/O.CON.KMPX.SV.W.0201.000000T0000Z-080716T1530Z/
STEARNS MN-SHERBURNE MN-WRIGHT MN-MEEKER MN-
941 AM CDT WED JUL 16 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT
FOR NORTHEASTERN MEEKER...NORTHWESTERN WRIGHT...CENTRAL SHERBURNE AND
SOUTHEASTERN STEARNS COUNTIES...

AT 928 AM CDT...DIME SIZE HAIL WAS REPORTED 1 MILE SOUTH OF ROCKVILLE
IN STEARNS COUNTY WITH THIS STORM.

AT 936 AM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF
60 MPH.  THE SEVERE STORM WAS LOCATED 4 MILES SOUTH OF LUXEMBURG...
AND MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ST NICHOLAS...ST AUGUSTA...
SILVER CREEK...LUXEMBURG...HASTY...FAIRHAVEN...ENFIELD...WATKINS...
SOUTH HAVEN AND ROCKVILLE.

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

LAT...LON 4518 9385 4529 9451 4554 9438 4547 9374
TIME...MOT...LOC 1441Z 277DEG 26KT 4539 9421

$$
000 
WWUS53 KMPX 161506
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1005 AM CDT WED JUL 16 2008

MNC141-145-171-161530-
/O.CON.KMPX.SV.W.0201.000000T0000Z-080716T1530Z/
STEARNS MN-SHERBURNE MN-WRIGHT MN-
1005 AM CDT WED JUL 16 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT
FOR NORTHWESTERN WRIGHT...SOUTHWESTERN SHERBURNE AND EXTREME
SOUTHEASTERN STEARNS COUNTIES...

AT 1001 AM 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 3 MILES SOUTHWEST OF 
CLEARWATER...AND MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SILVER CREEK...HASTY...
ENFIELD...SOUTH HAVEN...MAPLE LAKE...CLEARWATER...CLEAR LAKE...BECKER
AND ANNANDALE.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
WEDNESDAY EVENING FOR SOUTHERN MINNESOTA AND NORTHWESTERN WISCONSIN.

LAT...LON 4545 9376 4544 9375 4528 9381 4527 9382
      4518 9385 4525 9424 4551 9414 4547 9374
TIME...MOT...LOC 1505Z 277DEG 26KT 4538 9406

$$
000 
WWUS53 KMPX 161525
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1024 AM CDT WED JUL 16 2008

MNC141-145-171-161534-
/O.EXP.KMPX.SV.W.0201.000000T0000Z-080716T1530Z/
STEARNS MN-SHERBURNE MN-WRIGHT MN-
1024 AM CDT WED JUL 16 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WRIGHT...
SOUTHWESTERN SHERBURNE AND EXTREME SOUTHEASTERN STEARNS COUNTIES
EXPIRES AT 1030 AM CDT...

RADAR INDICATED THE STORMS HAVE WEAKENED SOMEWHAT.  HOWEVER...MORE 
THUNDERSTORMS WERE DEVELOPING IN THE AREA...REMAIN ALERT FOR 
ADDITIONAL WARNINGS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM CDT
WEDNESDAY EVENING FOR SOUTHERN MINNESOTA AND NORTHWESTERN WISCONSIN.

LAT...LON 4545 9376 4544 9375 4528 9381 4527 9382
      4518 9385 4525 9424 4551 9414 4547 9374
TIME...MOT...LOC 1524Z 277DEG 26KT 4536 9387

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 4:03 AM CDTSevere Thunderstorm WarningMPXDouglas, Todd42 min
Jul 16, 4:17 AM CDTSevere Thunderstorm WarningMPXDouglas28 min
Jul 16, 9:57 AM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stearns, Todd63 min
Jul 16, 10:47 AM CDTSevere Thunderstorm WarningMPXWashington58 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; radar from the NEXRAD Level II archive.