Alert archive / Minnesota / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 39, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2010, 7:00 PM CDT for Anoka County, Hennepin County, Ramsey County, Minnesota. It was in force for 35 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
- Jun 17, 2010, 7:00 PM CDT (00:00 UTC)
- Expired
- Jun 17, 2010, 7:35 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Anoka County, MN, Hennepin County, MN, Ramsey County, MN
The radar
The Minneapolis radar (KMPX), 34 km from the middle of the area, began a volume at 00:01 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 | Remark |
|---|---|---|---|
| Jun 17, 7:05 PM CDT | TSTM WND DMG | 4 Nnw Minneapolis, MN | NUMEROUS 1-2 INCH DIAMETER BRANCHES 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 17, 1:54 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 0.0 hours before the alert went out and 386 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.
- Mixed-layer CAPE
- 396 J/kg
- Mixed-layer CIN
- -254 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 321 m²/s²
- 0-3 km storm-relative helicity
- 536 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
736
WUUS53 KMPX 180000
SVRMPX
MNC003-053-123-180100-
/O.NEW.KMPX.SV.W.0039.100618T0000Z-100618T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
700 PM CDT THU JUN 17 2010
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ANOKA COUNTY IN EAST CENTRAL MINNESOTA...
HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 800 PM CDT
* AT 656 PM CDT...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 5 MILES
NORTHWEST OF ROGERS TO MEDINA TO SHOREWOOD...AND MOVING EAST AT
35 MPH. TRAINED STORM SPOTTERS REPORTED THREE LIMBS DOWN IN
CRYSTAL WITH THESE THUNDERSTORMS.
LOCATIONS IN THE WARNING INCLUDE...
MINNEAPOLIS...
ST PAUL...
ROGERS...
DEEPHAVEN...
WOODLAND...
WAYZATA...
MINNETONKA...
THE LAKE MINNETONKA AREA...
PLYMOUTH...
DAYTON...
MAPLE GROVE...
RAMSEY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING
FOR SOUTHERN MINNESOTA.
&&
LAT...LON 4542 9303 4513 9302 4513 9298 4493 9298
4492 9305 4494 9310 4491 9314 4486 9345
4490 9353 4490 9370 4513 9371 4517 9365
4521 9364 4525 9351 4542 9351
TIME...MOT...LOC 2359Z 256DEG 29KT 4525 9358 4502 9355
4491 9355
WIND...HAIL 60MPH <.75IN
$$
TRH1 follow-up statement
294
WWUS53 KMPX 180035
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
735 PM CDT THU JUN 17 2010
MNC003-053-123-180045-
/O.CAN.KMPX.SV.W.0039.000000T0000Z-100618T0100Z/
ANOKA MN-HENNEPIN MN-RAMSEY MN-
735 PM CDT THU JUN 17 2010
...THE SEVERE THUNDERSTORM WARNING FOR RAMSEY...HENNEPIN AND ANOKA
COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 900 PM CDT.
LAT...LON 4542 9303 4513 9302 4513 9298 4493 9298
4492 9305 4494 9310 4491 9314 4486 9345
4490 9353 4490 9370 4513 9371 4517 9365
4521 9364 4525 9351 4542 9351
TIME...MOT...LOC 0035Z 256DEG 29KT 4532 9318 4509 9315
4498 9315
$$
TRHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:10 PM CDT | Tornado Warning | MPX | Steele, Waseca | 50 min |
| Jun 17, 7:12 PM CDT | Special Weather Statement | MPX | Chisago, Washington | 2 hr |
| Jun 17, 7:13 PM CDT | Tornado Warning | MPX | Blue Earth, Steele, Waseca | 47 min |
| Jun 17, 7:28 PM CDT | Tornado Warning | MPX | Freeborn, Steele | 47 min |
| Jun 17, 7:52 PM CDT | Tornado Warning | MPX | Steele | 23 min |
| Jun 17, 7:55 PM CDT | Flash Flood Warning | MPX | Freeborn, Steele, Waseca | 6 hr |
| Jun 17, 8:00 PM CDT | Areal Flood Advisory | MPX | Blue Earth, Faribault, Le Sueur, Nicollet, Rice | 6 hr |
| Jun 17, 8:02 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti | 43 min |
| Jun 17, 8:11 PM CDT | Tornado Warning | MPX | Steele | 34 min |
| Jun 17, 8:13 PM CDT | Tornado Warning | MPX | Freeborn | 32 min |
| Jun 17, 8:34 PM CDT | Tornado Warning | MPX | Chisago | 26 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2010Every severe thunderstorm warning in 2010
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.