Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 169, NWS Twin Cities, MN

July 10, 20085 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 10, 2008, 11:40 PM CDT for 5 counties in Minnesota. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 10, 2008, 11:40 PM CDT (04:40 UTC)
Expired
Jul 11, 2008, 12:45 AM CDT
In force
65 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Douglas County, MN, Morrison County, MN, Pope County, MN, Stearns County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 160 km from the middle of the area, began a volume at 04:40 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.7 hours before the alert went out and 158 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 00:00Z on 2008-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 671 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 00:00Z on 2008-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 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
671 J/kg
Mixed-layer CIN
-276 J/kg
Mixed-layer LCL
1502 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
297 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 110440
SVRMPX
MNC041-097-121-145-153-110545-
/O.NEW.KMPX.SV.W.0169.080711T0440Z-080711T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1140 PM CDT THU JUL 10 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TODD COUNTY IN CENTRAL MINNESOTA...
  WESTERN MORRISON COUNTY IN CENTRAL MINNESOTA...
  EASTERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
  WESTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
  EASTERN POPE COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 1245 AM CDT

* AT 1135 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 65 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 4
  MILES NORTHWEST OF MILTONA TO 4 MILES WEST OF GLENWOOD...AND MOVING
  EAST AT 48 MPH.

* SOME LOCATIONS INCLUDE...
  VILLARD...
  SEDAN...
  GROVE LAKE...
  OSAKIS...
  WESTPORT...
  EAGLE BEND...
  WEST UNION...
  CLOTHO...
  BROOTEN...
  CLARISSA...
  BROWERVILLE...
  SAUK CENTRE...

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.

REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4619 9435 4617 9434 4541 9449 4550 9544
      4610 9533 4610 9514 4622 9514
TIME...MOT...LOC 0440Z 275DEG 42KT 4609 9527 4563 9537

$$

MB
1 follow-up statement
000 
WWUS53 KMPX 110520
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1219 AM CDT FRI JUL 11 2008

MNC041-121-110529-
/O.CAN.KMPX.SV.W.0169.000000T0000Z-080711T0545Z/
DOUGLAS MN-POPE MN-
1219 AM CDT FRI JUL 11 2008

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN POPE AND EASTERN
DOUGLAS COUNTIES IS CANCELLED...

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

GUSTY WINDS WILL REMAIN POSSIBLE EVEN BEHIND THE LINE OF 
STORMS...HOWEVER...WITH GUSTS FROM 35 TO 40 MPH POSSIBLE THROUGH 1 
AM.

LAT...LON 4619 9435 4617 9434 4541 9449 4541 9466
      4543 9466 4545 9499 4548 9512 4609 9514
      4609 9512 4622 9514
TIME...MOT...LOC 0519Z 279DEG 33KT 4604 9478 4558 9489

$$

MNC097-145-153-110545-
/O.CON.KMPX.SV.W.0169.000000T0000Z-080711T0545Z/
TODD MN-MORRISON MN-STEARNS MN-
1219 AM CDT FRI JUL 11 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR WESTERN STEARNS...WESTERN MORRISON AND TODD COUNTIES...

AT 1218 AM CDT...RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING PENNY SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE SEVERE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM 5 MILES SOUTHEAST OF BROWERVILLE TO GREENWALD...
AND MOVING EAST AT 38 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE PLEASANT BEACH...PADUA...NORTH
SHORE...LITTLE SAUK...FARMING...CUSHING...CLOTHO...BOWLES...WEST
UNION AND UPSALA.

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.

REPORT ANY DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4619 9435 4617 9434 4541 9449 4541 9466
      4543 9466 4545 9499 4548 9512 4609 9514
      4609 9512 4622 9514
TIME...MOT...LOC 0519Z 279DEG 33KT 4604 9478 4558 9489

$$

MB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 11:04 PM CDTSevere Thunderstorm WarningMPXDouglas41 min
Jul 10, 11:20 PM CDTSevere Thunderstorm WarningMPXPope, Stevens, Swift55 min
Jul 11, 12:16 AM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Swift59 min
Jul 11, 12:52 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker, Stearns53 min
Jul 11, 1:06 AM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Meeker, Renville, Swift, Yellow Medicine54 min
Jul 11, 1:10 AM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs, Morrison65 min
Jul 11, 4:45 PM CDTTornado WarningMPXTodd30 min
Jul 11, 5:13 PM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Pope, Swift47 min
Jul 11, 5:15 PM CDTSevere Thunderstorm WarningMPXTodd45 min
Jul 11, 5:44 PM CDTSevere Thunderstorm WarningMPXMorrison46 min
Jul 11, 5:48 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker, Stearns57 min
Jul 11, 6:28 PM CDTTornado WarningMPXKandiyohi, Meeker47 min
Jul 11, 6:36 PM CDTTornado WarningMPXKandiyohi, Meeker, Stearns54 min
Jul 11, 6:40 PM CDTTornado WarningMPXMeeker, Stearns65 min
Jul 11, 6:50 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Sibley55 min
Jul 11, 6:51 PM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs, Morrison54 min
Jul 11, 6:54 PM CDTTornado WarningMPXRenville36 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.