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, 11:59 AM CDT for Morrison County, Minnesota. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2011, 11:59 AM CDT (16:59 UTC)
- Expired
- Aug 6, 2011, 1:00 PM CDT
- In force
- 61 min
- Issued by
- NWS Twin Cities, MN
County Morrison County, MN
The radar
The Minneapolis radar (KMPX), 135 km from the middle of the area, began a volume at 17:01 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 5.0 hours before the alert went out and 135 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.
122
WWUS83 KMPX 061659
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1159 AM CDT SAT AUG 6 2011
MNZ043-044-061800-
MILLE LACS-MORRISON-
1159 AM CDT SAT AUG 6 2011
...THUNDERSTORMS MOVING OVER MILLE LACS AND MORRISON COUNTIES
THROUGH 100 PM CDT...
AT 1152 AM CDT...WEATHER SERVICE RADAR IN CHANHASSEN WAS TRACKING A
LINE OF STRONG THUNDERSTORMS 3 MILES SOUTHWEST OF GENOLA. THESE
STORMS WERE MOVING EAST AT 15 MPH.
ONE HALF INCH DIAMETER HAIL AND WINDS UP TO 50 MPH ARE EXPECTED WITH
THESE STORMS.
* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
GENOLA.
PIERZ.
LASTRUP.
MORRILL.
HARDING.
HILLMAN.
LAT...LON 4584 9375 4582 9426 4615 9417 4617 9394
4616 9383 4618 9382 4618 9376
TIME...MOT...LOC 1657Z 256DEG 11KT 4593 9412
$$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, 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, 6:59 PM CDT | Special Weather Statement | MPX | Stearns | 46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.