Alert archive / Minnesota / Special Weather Statements in 2012
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Aug 3, 2012, 10:29 PM CDT for 4 counties in Minnesota. It was in force for 61 min. 8 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, 10:29 PM CDT (03:29 UTC)
- Expired
- Aug 3, 2012, 11:30 PM CDT
- In force
- 61 min
- Issued by
- NWS Twin Cities, MN
Counties Le Sueur County, MN, Nicollet County, MN, Rice County, MN, Scott County, MN
The radar
The Minneapolis radar (KMPX), 39 km from the middle of the area, began a volume at 03:30 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, 10:45 PM CDT | TSTM WND DMG | E Henderson, MN | TREE DOWN ACROSS HIGHWAY 19. |
| Aug 3, 10:50 PM CDT | TSTM WND DMG | Mankato, MN | TREE DOWN ACROSS BAKER ROAD. |
| Aug 3, 11:04 PM CDT | TSTM WND GST 51 | 2 Wsw Shakopee, MN | |
| Aug 3, 11:10 PM CDT | TSTM WND GST 55 | Lonsdale, MN | |
| Aug 3, 11:15 PM CDT | TSTM WND DMG | Savage, MN | TREE DOWN NEAR 144TH |
| Aug 3, 11:25 PM CDT | TSTM WND DMG | Lakeville, MN | FEW TREES DOWN...INCLUDING ON POWER LINES. |
| Aug 3, 11:30 PM CDT | TSTM WND DMG | Faribault, MN | TWO FOOT DIAMETER TREE DOWN ACROSS ROAD NEAR 4TH STREET AND 2ND AVENUE. |
| Aug 3, 11:35 PM CDT | TSTM WND DMG | Farmington, MN | FEW TREES DOWN. |
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 00:00Z, 3.5 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.
117
WWUS83 KMPX 040329
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1029 PM CDT FRI AUG 3 2012
MNZ066>070-074>077-082>085-040430-
BLUE EARTH-BROWN-CARVER-DAKOTA-LE
SUEUR-MCLEOD-NICOLLET-RICE-SCOTT-SIBLEY-STEELE-WASECA-WATONWAN-
1029 PM CDT FRI AUG 3 2012
...THUNDERSTORMS MOVING INTO/DEVELOPING OVER BLUE EARTH...BROWN...
CARVER...DAKOTA...LE SUEUR...MCLEOD...NICOLLET...RICE...SCOTT...
SIBLEY...STEELE...WASECA AND WATONWAN COUNTIES THROUGH 1130 PM CDT...
AT 1026 PM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM PLATO TO 3 MILES NORTHWEST
OF RUSH RIVER TO 8 MILES NORTHEAST OF MADELIA. THESE STORMS WERE
MOVING EAST AT 45 MPH.
WINDS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS.
* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
LE SUEUR.
NORTHFIELD.
FARIBAULT.
LAKE CRYSTAL.
MONTGOMERY.
JORDAN.
NEW PRAGUE.
LAKEVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 4479 9315 4450 9312 4411 9333 4409 9443
4449 9420 4475 9424
TIME...MOT...LOC 0327Z 269DEG 40KT 4479 9405 4449 9407
4413 9429
$$
SPDThe 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, 10:39 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, 10:54 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Carver, Hennepin, Sherburne, Wright | 25 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 |
| Aug 4, 12:43 AM CDT | Special Weather Statement | MPX | Barron, Chippewa, Dunn, Eau Claire, Pepin, Rusk | 62 min |
Nearby
Special Weather Statements in Minnesota, 2012Every special weather statement 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.