Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 86, NWS Twin Cities, MN

June 5, 2008Brown County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 5, 2008, 3:00 PM CDT for Brown County, Nicollet County, Minnesota. It was in force for 45 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: Jun 5, 2008, 3:00 PM CDT (20:00 UTC)
Expired: Jun 5, 2008, 3:45 PM CDT
In force: 45 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Brown County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 94 km from the middle of the area, began a volume at 20:02 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

Time	Report	Where
Jun 5, 3:02 PM CDT	HAIL 0.75	8 Sw New Ulm, MN
Jun 5, 3:14 PM CDT	HAIL 0.88	2 Se New Ulm, MN
Jun 5, 3:21 PM CDT	HAIL 0.88	7 Ne New Ulm, 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, 8.0 hours before the alert went out and 92 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 588 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 167 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 052000
SVRMPX
MNC015-103-052045-
/O.NEW.KMPX.SV.W.0086.080605T2000Z-080605T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
300 PM CDT THU JUN 5 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...  
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 345 PM CDT

* AT 258 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. 
  THIS STORM WAS LOCATED 12 MILES SOUTHWEST OF NEW ULM...AND MOVING
  NORTHEAST AT 40 MPH.

* SOME LOCATIONS INCLUDE...
  NEW ULM...
  KLOSSNER...
  LAFAYETTE...  

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.

LAT...LON 4445 9449 4445 9404 4411 9466 4420 9481
TIME...MOT...LOC 2000Z 230DEG 34KT 4421 9462

$$

LS

3 follow-up statements

000 
WWUS53 KMPX 052017
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
317 PM CDT THU JUN 5 2008

MNC015-103-052045-
/O.CON.KMPX.SV.W.0086.000000T0000Z-080605T2045Z/
BROWN MN-NICOLLET MN-
317 PM CDT THU JUN 5 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR WESTERN NICOLLET AND EASTERN BROWN COUNTIES...

AT 314 PM CDT...NICKEL SIZE HAIL WAS REPORTED IN NEW ULM WITH THIS 
STORM.

AT 315 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL AND 
DAMAGING WINDS IN EXCESS OF 60 MPH.  THE MOST DANGEROUS PART OF THE 
STORM WAS LOCATED NEAR KLOSSNER...OR ABOUT 2 MILES SOUTH OF 
KLOSSNER...AND MOVING NORTHEAST AT 37 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE KLOSSNER...NEW ULM AND
LAFAYETTE.

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.

LAT...LON 4445 9449 4445 9404 4411 9466 4420 9481
TIME...MOT...LOC 2017Z 235DEG 32KT 4435 9440

$$

LS

000 
WWUS53 KMPX 052025
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
325 PM CDT THU JUN 5 2008

MNC015-052035-
/O.CAN.KMPX.SV.W.0086.000000T0000Z-080605T2045Z/
BROWN MN-
325 PM CDT THU JUN 5 2008

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BROWN COUNTY IS
CANCELLED...

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

LAT...LON 4438 9452 4445 9449 4445 9404 4435 9423
      4431 9428 4431 9430 4428 9435 4428 9437
TIME...MOT...LOC 2025Z 239DEG 45KT 4441 9425

$$

MNC103-052045-
/O.CON.KMPX.SV.W.0086.000000T0000Z-080605T2045Z/
NICOLLET MN-
325 PM CDT THU JUN 5 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT 
FOR NICOLLET COUNTY...

AT 323 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL AND 
DAMAGING WINDS IN EXCESS OF 60 MPH.  THE MOST DANGEROUS PART OF THE 
STORM WAS LOCATED 7 MILES SOUTHEAST OF LAFAYETTE...AND MOVING 
NORTHEAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE KLOSSNER AND LAFAYETTE.

NICKEL SIZE HAIL HAS BEEN REPORTED NEAR NEW ULM WITH THIS STORM.

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.

LAT...LON 4438 9452 4445 9449 4445 9404 4435 9423
      4431 9428 4431 9430 4428 9435 4428 9437
TIME...MOT...LOC 2025Z 239DEG 45KT 4441 9425

$$

LS

000 
WWUS53 KMPX 052042
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
342 PM CDT THU JUN 5 2008

MNC103-052052-
/O.EXP.KMPX.SV.W.0086.000000T0000Z-080605T2045Z/
NICOLLET MN-
342 PM CDT THU JUN 5 2008

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NICOLLET COUNTY
EXPIRES AT 345 PM CDT...

SEVERE STORMS WERE ABOUT TO MOVE OUT OF THE COUNTY. HOWEVER...MORE 
THUNDERSTORMS ARE POSSIBLE IN THE AREA...REMAIN ALERT FOR POSSIBLE 
ADDITIONAL WARNINGS.

LAT...LON 4438 9452 4445 9449 4445 9404 4435 9423
      4431 9428 4431 9430 4428 9435 4428 9437
TIME...MOT...LOC 2042Z 239DEG 45KT 4452 9399

$$

LS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 11:36 AM CDT	Flash Flood Watch	MPX	Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more	17 hr
Jun 5, 1:57 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	48 min
Jun 5, 3:06 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	24 min
Jun 5, 3:28 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Sibley	32 min
Jun 5, 3:30 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	30 min
Jun 5, 3:47 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin	28 min
Jun 5, 3:56 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott, Sibley	34 min
Jun 5, 4:01 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Ramsey, Washington	29 min
Jun 5, 4:07 PM CDT	Areal Flood Advisory	MPX	Anoka, Carver, Dakota, Hennepin, Ramsey, Scott	83 min
Jun 5, 4:13 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice, Scott	32 min
Jun 5, 4:22 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Scott	23 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2008 Every 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.