Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 252, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 3, 2012, 10:54 PM CDT for 5 counties in Minnesota. It was in force for 25 min. 2 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
- Aug 3, 2012, 10:54 PM CDT (03:54 UTC)
- Expired
- Aug 3, 2012, 11:19 PM CDT
- In force
- 25 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Anoka County, MN, Carver County, MN, Hennepin County, MN, Sherburne County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 39 km from the middle of the area, began a volume at 03:58 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 |
|---|---|---|---|
| Aug 3, 11:00 PM CDT | TSTM WND DMG | Albertville, MN | STREET LIGHT DOWN. |
| Aug 3, 11:05 PM CDT | TSTM WND DMG | 5 Nnw Coon Rapids, MN | TREE DOWN BLOCKING ROAD NEAR ROUND LAKE BLVD AND 143RD IN ANDOVER. |
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 |
|---|---|---|---|
| Aug 3, 7:33 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.9 hours before the alert went out and 39 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
- 576 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1840 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 7.5
The text
As transmitted, in the capitals the NWS used until 2016.
734 WUUS53 KMPX 040354 SVRMPX MNC003-019-053-141-171-040430- /O.NEW.KMPX.SV.W.0252.120804T0354Z-120804T0430Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1054 PM CDT FRI AUG 3 2012 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL ANOKA COUNTY IN EAST CENTRAL MINNESOTA... NORTH CENTRAL CARVER COUNTY IN EAST CENTRAL MINNESOTA... NORTHWESTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... EXTREME SOUTHEASTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA... EASTERN WRIGHT COUNTY IN CENTRAL MINNESOTA... * UNTIL 1130 PM CDT * AT 1049 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR DELANO...OR ABOUT 10 MILES SOUTH OF BUFFALO...AND MOVING NORTHEAST AT 40 MPH. LOCATIONS IN THE WARNING INCLUDE... BUFFALO... DELANO... WATERTOWN... INDEPENDENCE... ROCKFORD... MAPLE PLAIN... LORETTO... MEDINA... HANOVER... ST MICHAEL... HAMEL... ALBERTVILLE... CORCORAN... ROGERS... 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. && LAT...LON 4534 9335 4508 9335 4493 9388 4529 9389 TIME...MOT...LOC 0354Z 247DEG 33KT 4505 9375 WIND...HAIL 60MPH <.75IN $$
1 follow-up statement
772 WWUS53 KMPX 040419 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1119 PM CDT FRI AUG 3 2012 MNC003-019-053-141-171-040435- /O.CAN.KMPX.SV.W.0252.000000T0000Z-120804T0430Z/ ANOKA MN-CARVER MN-HENNEPIN MN-SHERBURNE MN-WRIGHT MN- 1119 PM CDT FRI AUG 3 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WRIGHT...EXTREME SOUTHEASTERN SHERBURNE...NORTHWESTERN HENNEPIN...NORTH CENTRAL CARVER AND WEST CENTRAL ANOKA COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4534 9335 4508 9335 4493 9388 4529 9389 TIME...MOT...LOC 0420Z 247DEG 33KT 4514 9344 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 7:14 PM CDT | Special Weather Statement | MPX | Chippewa, Lac qui Parle, Swift, Yellow Medicine | 46 min |
| Aug 3, 7:37 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 53 min |
| Aug 3, 8:20 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Renville, Swift, Yellow Medicine | 55 min |
| Aug 3, 8:26 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stevens | 49 min |
| Aug 3, 9:01 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood, Renville, Yellow Medicine | 59 min |
| Aug 3, 9:07 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Meeker, Pope, Renville, Stearns and 2 more | 53 min |
| Aug 3, 9:47 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, McLeod, Nicollet, Redwood, Renville and 1 more | 58 min |
| Aug 3, 9:52 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Renville, Sherburne, Stearns, Wright | 38 min |
| Aug 3, 10:25 PM CDT | Special Weather Statement | MPX | Anoka, Carver, Hennepin, McLeod, Sherburne, Wright | 65 min |
| Aug 3, 10:29 PM CDT | Special Weather Statement | MPX | Le Sueur, Nicollet, Rice, Scott | 61 min |
| Aug 3, 10:39 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin | 36 min |
| Aug 3, 10:44 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Benton, Isanti, Mille Lacs, Sherburne, Wright | 46 min |
| Aug 3, 11:01 PM CDT | Special Weather Statement | MPX | Blue Earth, Faribault, Freeborn, Martin, Steele, Waseca | 44 min |
| Aug 3, 11:06 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Carver, Chisago, Dakota, Hennepin, Ramsey and 2 more | 39 min |
| Aug 3, 11:12 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Isanti | 33 min |
| Aug 3, 11:18 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice, Scott, Washington | 42 min |
| Aug 3, 11:38 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 67 min |
| Aug 3, 11:44 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Washington | 61 min |
| Aug 4, 12:19 AM CDT | Special Weather Statement | MPX | Brown | 26 min |
| Aug 4, 1:13 AM CDT | Special Weather Statement | MPX | Martin | 47 min |
| Aug 4, 1:25 AM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 65 min |
| Aug 4, 4:28 AM CDT | Special Weather Statement | MPX | Faribault | 47 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
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.