Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 295, NWS Twin Cities, MN

August 9, 2005Freeborn County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 9, 2005, 5:09 PM CDT for Freeborn County, Minnesota. It was in force for 50 min. 1 report 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 9, 2005, 5:09 PM CDT (22:09 UTC)
Expired
Aug 9, 2005, 5:59 PM CDT
In force
50 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Freeborn County, MN

The radar

The Minneapolis radar (KMPX), 128 km from the middle of the area, began a volume at 22:09 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
Aug 9, 5:15 PM CDTTSTM WND DMGAlbert Lea, MNTREES AND POWER LINES DOWN.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 9, 2:20 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.2 hours before the alert went out and 128 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 2005-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2206 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 2005-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.193958Sfc1 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
2206 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
1490 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 092210
SVRMPX
MNC047-092315-
/O.NEW.KMPX.SV.W.0295.050809T2209Z-050809T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
509 PM CDT TUE AUG 9 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 615 PM CDT

* AT 505 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 20 MILES
  NORTHWEST OF ALBERT LEA TO 20 MILES SOUTHWEST OF ALBERT LEA...AND
  MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ALBERT LEA...
  CONGER...
  ALDEN...
  FREEBORN...
  HARTLAND...
  MANCHESTER...
  CLARKS GROVE...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4384 9360 4351 9369 4351 9304 4384 9304

$$
2 follow-up statements
000 
WWUS53 KMPX 092233
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
532 PM CDT TUE AUG 9 2005

MNC047-092315-
/O.CON.KMPX.SV.W.0295.000000T0000Z-050809T2315Z/
FREEBORN MN-
532 PM CDT TUE AUG 9 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 615 PM CDT FOR
FREEBORN COUNTY...

DAMAGING WINDS HAVE BEEN REPORTED IN FREEBORN COUNTY.  TREES... 
POWER LINES AND BRANCHES WERE REPORTED DOWN...SOME IN ALBERT LEA. 
REPORTS WERE STILL SKETCHY AS TO HOW MANY TREES HAVE BEEN DOWNED... 
OR SPECIFIC LOCATIONS.  BUT RADAR SHOWED DAMAGING WINDS WERE STILL 
POSSIBLE IN EASTERN AND SOUTHERN FREEBORN COUNTY. THIS IS A 
DANGEROUS STORM... SEEK SAFE SHELTER AND STAY AWAY FROM WINDOWS

AT 526 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE 
THUNDERSTORMS ALONG A LINE EXTENDING FROM 20 MILES NORTHEAST OF 
ALBERT LEA...TO 10 MILES SOUTH OF ALBERT LEA.  THE STORMS WERE 
MOVING EAST AT 35 MPH.

EXPECT WINDS OF 60 TO 70 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE MYRTLE...HOLLANDALE... 
HAYWARD...AND GLENVILLE.

LAT...LON 4384 9360 4351 9369 4351 9304 4384 9304

$$
000 
WWUS53 KMPX 092259
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
557 PM CDT TUE AUG 9 2005

MNC047-092304-
/O.CAN.KMPX.SV.W.0295.000000T0000Z-050809T2315Z/
FREEBORN MN-
557 PM CDT TUE AUG 9 2005

...THE SEVERE THUNDERSTORM WARNING FOR FREEBORN COUNTY IS
CANCELLED...

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

NO FURTHER REPORTS OF DAMAGE HAVE BEEN RECEIVED...BUT ADDITIONAL 
INFORMATION WILL BE ISSUED THROUGH LOCAL STORM REPORT PRODUCTS.     

LAT...LON 4384 9360 4351 9369 4351 9304 4384 9304

$$
JPR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 1:13 AM CDTSevere Thunderstorm WarningMPXDouglas39 min
Aug 9, 3:31 AM CDTSevere Thunderstorm WarningMPXDouglas41 min
Aug 9, 3:48 AM CDTSevere Thunderstorm WarningMPXTodd57 min
Aug 9, 4:15 AM CDTSevere Thunderstorm WarningMPXMorrison60 min
Aug 9, 5:11 AM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs44 min
Aug 9, 2:11 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin49 min
Aug 9, 2:33 PM CDTSevere Thunderstorm WarningMPXSibley42 min
Aug 9, 2:37 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood38 min
Aug 9, 2:43 PM CDTSevere Thunderstorm WarningMPXCarver, Scott47 min
Aug 9, 3:11 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin64 min
Aug 9, 3:11 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet73 min
Aug 9, 3:15 PM CDTSevere Thunderstorm WarningMPXScott45 min
Aug 9, 3:25 PM CDTSevere Thunderstorm WarningMPXRice65 min
Aug 9, 3:25 PM CDTTornado WarningMPXBlue Earth, Nicollet34 min
Aug 9, 3:30 PM CDTSevere Thunderstorm WarningMPXBrown32 min
Aug 9, 3:31 PM CDTSevere Thunderstorm WarningMPXWashington59 min
Aug 9, 3:44 PM CDTSevere Thunderstorm WarningMPXWaseca61 min
Aug 9, 3:52 PM CDTSevere Thunderstorm WarningMPXMartin39 min
Aug 9, 3:55 PM CDTSevere Thunderstorm WarningMPXGoodhue65 min
Aug 9, 4:02 PM CDTSevere Thunderstorm WarningMPXSteele46 min
Aug 9, 4:08 PM CDTSevere Thunderstorm WarningMPXFaribault70 min
Aug 9, 4:42 PM CDTSevere Thunderstorm WarningMPXWaseca25 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2005Every severe thunderstorm warning in 2005

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.