Alert archive / Minnesota / Special Weather Statements in 2011
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Aug 6, 2011, 6:59 PM CDT for Stearns County, Minnesota. It was in force for 46 min. 4 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 6, 2011, 6:59 PM CDT (23:59 UTC)
- Expired
- Aug 6, 2011, 7:45 PM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
County Stearns County, MN
The radar
The Minneapolis radar (KMPX), 86 km from the middle of the area, began a volume at 00:04 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 6, 7:19 PM CDT | HAIL 1 | 1 Wnw Richmond, MN | 1 INCH HAIL REPORTED NEAR HWY 23. |
| Aug 6, 7:20 PM CDT | HAIL 1.5 | 5 S Cold Spring, MN | GOLFBALL TO PING PONG SIZE HAIL REPORTED FOR APPROXIMATELY 10 MINUTES. |
| Aug 6, 7:22 PM CDT | HAIL 0.88 | 1 E Roscoe, MN | |
| Aug 6, 7:27 PM CDT | HAIL 1.75 | Richmond, 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, 12.0 hours before the alert went out and 84 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
- 690 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 750 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
090
WWUS83 KMPX 062359
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
659 PM CDT SAT AUG 6 2011
MNZ049-070045-
STEARNS-
659 PM CDT SAT AUG 6 2011
...STRONG THUNDERSTORM MOVING ACROSS STEARNS COUNTY THROUGH 745 PM
CDT...
AT 654 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 6 MILES SOUTHWEST OF FARMING. THIS STORM WAS MOVING EAST
AT 30 MPH.
HAIL UP TO DIME SIZE AND WINDS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.
* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
ST MARTIN.
RICHMOND.
COLD SPRING.
ST NICHOLAS.
ROCKVILLE.
PLEASANT LAKE.
LAT...LON 4550 9414 4543 9407 4530 9416 4532 9422
4529 9427 4528 9434 4530 9439 4533 9439
4533 9445 4547 9481 4564 9471
TIME...MOT...LOC 2358Z 291DEG 27KT 4551 9462
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 10:55 PM CDT | Areal Flood Advisory | MPX | Kandiyohi, Meeker, Sherburne, Wright | 3 hr |
| Aug 6, 10:59 AM CDT | Areal Flood Advisory | MPX | Douglas, Mille Lacs, Morrison, Todd | 4 hr |
| Aug 6, 11:59 AM CDT | Special Weather Statement | MPX | Morrison | 61 min |
| Aug 6, 12:37 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Isanti, Kanabec, Mille Lacs, Morrison | 53 min |
| Aug 6, 1:20 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti, Kanabec | 31 min |
| Aug 6, 2:35 PM CDT | Special Weather Statement | MPX | Anoka | 25 min |
| Aug 6, 3:18 PM CDT | Special Weather Statement | MPX | Washington | 27 min |
| Aug 6, 3:29 PM CDT | Severe Thunderstorm Warning | MPX | Ramsey, Washington | 46 min |
| Aug 6, 5:36 PM CDT | Special Weather Statement | MPX | Douglas | 24 min |
| Aug 6, 2:58 PM CDT | Special Weather Statement | MPX | Barron | 47 min |
| Aug 6, 4:00 PM CDT | Special Weather Statement | MPX | Saint Croix | 45 min |
| Aug 6, 5:26 PM CDT | Special Weather Statement | MPX | Eau Claire | 49 min |
Nearby
Special Weather Statements in Minnesota, 2011Every special weather statement in 2011
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.