Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 17, NWS Twin Cities, MN

May 25, 20084 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2008, 10:42 AM CDT for 4 counties in Minnesota. It was in force for 63 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
May 25, 2008, 10:42 AM CDT (15:42 UTC)
Expired
May 25, 2008, 11:45 AM CDT
In force
63 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Benton County, MN, Isanti County, MN, Kanabec County, MN, Mille Lacs County, MN

The radar

The Minneapolis radar (KMPX), 120 km from the middle of the area, began a volume at 15:42 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
May 25, 10:59 AM CDTHAIL 0.755 S Milaca, MN
May 25, 11:00 AM CDTHAIL 1Milaca, MN
May 25, 11:08 AM CDTHAIL 17 Wsw Ogilvie, 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, 3.7 hours before the alert went out and 120 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 2008-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 58 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 2008-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939587897117Sfc1 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
58 J/kg
Mixed-layer CIN
-266 J/kg
Mixed-layer LCL
641 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
-3.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 251543
SVRMPX
MNC009-059-065-095-251645-
/O.NEW.KMPX.SV.W.0017.080525T1542Z-080525T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1042 AM CDT SUN MAY 25 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA...
  KANABEC COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHERN ISANTI COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHEASTERN BENTON COUNTY IN CENTRAL MINNESOTA...

* UNTIL 1145 AM CDT

* AT 1041 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS LOCATED 14
  MILES SOUTHWEST OF MILACA...OR ABOUT 2 MILES SOUTHEAST OF FOLEY...
  AND MOVING NORTHEAST AT 39 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MILACA...
  OGILVIE...
  BRAHAM...
  MORA...
  ISLE...

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

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4599 9307 4599 9314 4558 9315 4558 9385
      4582 9376 4602 9376 4616 9344 4615 9306
TIME...MOT...LOC 1542Z 226DEG 34KT 4565 9387

$$
2 follow-up statements
000 
WWUS53 KMPX 251557
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1056 AM CDT SUN MAY 25 2008

MNC009-251606-
/O.CAN.KMPX.SV.W.0017.000000T0000Z-080525T1645Z/
BENTON MN-
1056 AM CDT SUN MAY 25 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BENTON COUNTY IS
CANCELLED...

DOPPLER RADAR INDICATED THAT THE SEVERE STORM HAD MOVED OUT OF THE 
WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORMS WARNING HAS BEEN 
CANCELLED.

LAT...LON 4599 9307 4599 9314 4558 9315 4558 9375
      4602 9376 4616 9344 4615 9306
TIME...MOT...LOC 1556Z 242DEG 49KT 4582 9366 4572 9362
          4562 9362

$$

MNC059-065-095-251645-
/O.CON.KMPX.SV.W.0017.000000T0000Z-080525T1645Z/
MILLE LACS MN-KANABEC MN-ISANTI MN-
1056 AM CDT SUN MAY 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT
FOR NORTHERN ISANTI...KANABEC AND MILLE LACS COUNTIES...

AT 1054 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THESE SEVERE
THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 4 MILES
NORTHWEST OF MILACA TO PEASE TO 7 MILES SOUTH OF PEASE...AND MOVING
NORTHEAST AT 56 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE WARMAN...STANCHFIELD...LEWIS
LAKE...GRANDY...DALBO...BRUNSWICK...QUAMBA...PEASE...OGILVIE AND
MORA.

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

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4599 9307 4599 9314 4558 9315 4558 9375
      4602 9376 4616 9344 4615 9306
TIME...MOT...LOC 1556Z 242DEG 49KT 4582 9366 4572 9362
          4562 9362

$$

RAH
000 
WWUS53 KMPX 251632
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1132 AM CDT SUN MAY 25 2008

MNC095-251642-
/O.CAN.KMPX.SV.W.0017.000000T0000Z-080525T1645Z/
MILLE LACS MN-
1132 AM CDT SUN MAY 25 2008

...THE SEVERE THUNDERSTORM WARNING FOR MILLE LACS COUNTY IS
CANCELLED...

DOPPLER RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED OR MOVED 
OUT OF THE WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING 
HAS BEEN CANCELLED.

LAT...LON 4599 9307 4599 9314 4558 9315 4558 9350
      4596 9326 4615 9320 4615 9306 4606 9308
TIME...MOT...LOC 1632Z 242DEG 49KT 4614 9301 4596 9303
          4584 9308

$$

MNC059-065-251645-
/O.CON.KMPX.SV.W.0017.000000T0000Z-080525T1645Z/
KANABEC MN-ISANTI MN-
1132 AM CDT SUN MAY 25 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT
FOR NORTHERN ISANTI AND EASTERN KANABEC COUNTIES...

AT 1128 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THESE SEVERE
THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 14 MILES NORTH
OF QUAMBA TO 4 MILES EAST OF QUAMBA TO GRASSTON...AND MOVING
NORTHEAST AT 56 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE STANCHFIELD...LEWIS LAKE...
GRANDY...BRUNSWICK...QUAMBA...MORA...GRASSTON AND BRAHAM.

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

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4599 9307 4599 9314 4558 9315 4558 9350
      4596 9326 4615 9320 4615 9306 4606 9308
TIME...MOT...LOC 1632Z 242DEG 49KT 4614 9301 4596 9303
          4584 9308

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:43 AM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Yellow Medicine62 min
May 25, 8:24 AM CDTSevere Thunderstorm WarningMPXSwift51 min
May 25, 9:01 AM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Swift44 min
May 25, 9:24 AM CDTSevere Thunderstorm WarningMPXStearns66 min
May 25, 10:01 AM CDTSevere Thunderstorm WarningMPXBenton, Sherburne, Stearns44 min
May 25, 11:10 AM CDTSevere Thunderstorm WarningMPXIsanti27 min
May 25, 11:34 AM CDTSevere Thunderstorm WarningMPXChisago26 min
May 25, 3:04 PM CDTSevere Thunderstorm WarningMPXMeeker, Stearns, Wright56 min
May 25, 3:36 PM CDTSevere Thunderstorm WarningMPXMeeker, Sherburne, Wright54 min
May 25, 3:49 PM CDTTornado WarningMPXSherburne, Wright26 min
May 25, 4:01 PM CDTSevere Thunderstorm WarningMPXBenton, Meeker, Mille Lacs, Sherburne, Stearns, Wright59 min
May 25, 4:03 PM CDTTornado WarningMPXHennepin, Wright27 min
May 25, 4:13 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti, Washington62 min
May 25, 4:37 PM CDTTornado WarningMPXAnoka, Ramsey, Washington23 min
May 25, 4:41 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright49 min
May 25, 4:56 PM CDTTornado WarningMPXAnoka, Ramsey, Washington34 min
May 25, 5:02 PM CDTSevere Thunderstorm WarningMPXHennepin28 min
May 25, 5:17 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti, Washington43 min
May 25, 5:25 PM CDTSevere Thunderstorm WarningMPXAnoka, Ramsey, Washington35 min
May 25, 6:00 PM CDTSevere Thunderstorm WarningMPXWashington30 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.