Alert archive / Minnesota / Special Weather Statements in 2016
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Jul 21, 2016, 3:39 AM CDT for 10 counties in Minnesota; Polk County, Wisconsin. It was in force for 66 min. 7 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
- Jul 21, 2016, 3:39 AM CDT (08:39 UTC)
- Expired
- Jul 21, 2016, 4:45 AM CDT
- In force
- 66 min
- Issued by
- NWS Twin Cities, MN
Counties Anoka County, MN, Carver County, MN, Chisago County, MN, Hennepin County, MN, McLeod County, MN, Ramsey County, MN, Scott County, MN, Sibley County, MN, Washington County, MN, Wright County, MN, Polk County, WI
The radar
The Minneapolis radar (KMPX), 44 km from the middle of the area, began a volume at 08:42 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 |
|---|---|---|---|
| Jul 21, 4:00 AM CDT | TSTM WND DMG | Chisago City, MN | FIRE CHIEF REPORTS SEVERAL TREES, SOME UP TO 4-5 FT DIAMETER DOWNED, AS WELL AS POWER LINES, IN TOWN AS WELL AS SOUTH OF TOWN INTO CHISAGO LAKES TOWNSHIP. . |
| Jul 21, 4:05 AM CDT | TSTM WND DMG | 2 W Elk River, MN | SEVERAL LARGE TREES FELLED. REPORTED VIA SOCIAL MEDIA. |
| Jul 21, 4:10 AM CDT | TSTM WND DMG | Coon Rapids, MN | TREES DOWN. REPORTED VIA TWITTER. TIME ESTIMATED. . |
| Jul 21, 4:14 AM CDT | TSTM WND DMG | Blaine, MN | LARGE TREE SPLIT IN TWO AT WEST WOOD MIDDLE SCHOOL. TIME ESTIMATED FROM RADAR AND OBSERVATIONS. REPORT SEEN ON SOCIAL MEDIA. |
| Jul 21, 4:14 AM CDT | TSTM WND GST 51 | 1 S Blaine, MN | LATE REPORT AWOS STATION BLAINE AP /ANE/. |
| Jul 21, 4:25 AM CDT | TSTM WND GST 53 | 2 Wsw Richfield, MN | LATE REPORT MESONET STATION RICHFIELD 2 WSW /D1498/. |
| Jul 21, 4:35 AM CDT | TSTM WND DMG | South St. Paul, MN | TREES AND POWER LINES DOWN. REPORTED VIA TWITTER. TIME ESTIMATED. . |
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, 8.7 hours before the alert went out and 45 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
- 3666 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1087 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 373 m²/s²
- Significant tornado parameter
- 2.8
- Supercell composite
- 22.0
The text
As transmitted.
829
WWUS83 KMPX 210839
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
339 AM CDT THU JUL 21 2016
MNZ051>053-057>063-065>070-WIZ014-023-210945-
ANOKA-CHISAGO-CARVER-DAKOTA-WRIGHT-SHERBURNE-ISANTI-SCOTT-MEEKER-
SIBLEY-WASHINGTON-RENVILLE-HENNEPIN-MCLEOD-KANDIYOHI-RAMSEY-ST.
CROIX-POLK-
339 AM CDT THU JUL 21 2016
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CARVER...NORTHWESTERN
DAKOTA...ANOKA...CHISAGO...MCLEOD...WASHINGTON...HENNEPIN...
SOUTHEASTERN SHERBURNE...SIBLEY...WRIGHT...SOUTHERN MEEKER...SCOTT...
SOUTHEASTERN ISANTI...EASTERN RENVILLE...SOUTHEASTERN KANDIYOHI...
RAMSEY...NORTHWESTERN ST. CROIX AND CENTRAL POLK COUNTIES...
AT 338 AM CDT...RADAR INDICATED STRONG THUNDERSTORMS WERE LOCATED
ALONG A LINE EXTENDING FROM NEAR ROCK CREEK TO NEAR BETHEL TO NEAR
HOWARD LAKE TO NEAR BLOMKEST. MOVEMENT WAS SOUTHEAST AT 55 MPH.
WIND GUSTS UP TO 50 MPH ARE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
MINNEAPOLIS...ST. PAUL...BUFFALO...HUTCHINSON...CAMBRIDGE...
BLOOMINGTON...BROOKLYN PARK...PLYMOUTH...EAGAN...WOODBURY...
MAPLE GROVE AND COON RAPIDS.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 35 BETWEEN MILE MARKERS 128 AND 163.
INTERSTATE 35 BETWEEN MILE MARKERS 84 AND 88.
INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 195 AND 258.
LAT...LON 4564 9288 4565 9253 4571 9252 4554 9222
4488 9282 4456 9353 4455 9391 4452 9389
4445 9464 4494 9513 4514 9408 4549 9338
4574 9308 4573 9285
TIME...MOT...LOC 0838Z 325DEG 47KT 4579 9289 4543 9333 4509 9403 4490
9498
$$
SPDThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 1:40 AM CDT | Special Weather Statement | MPX | Douglas, Todd | 65 min |
| Jul 21, 1:51 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Morrison, Todd | 39 min |
| Jul 21, 2:19 AM CDT | Special Weather Statement | MPX | Mille Lacs, Morrison, Pope, Stearns, Stevens | 41 min |
| Jul 21, 2:45 AM CDT | Special Weather Statement | MPX | Benton, Kanabec, Kandiyohi, Mille Lacs, Sherburne, Stearns and 2 more | 45 min |
| Jul 21, 3:16 AM CDT | Special Weather Statement | MPX | Anoka, Chisago, Hennepin, Isanti, Kandiyohi, Meeker and 2 more | 44 min |
| Jul 21, 3:47 AM CDT | Special Weather Statement | MPX | Douglas | 43 min |
| Jul 21, 3:51 AM CDT | Special Weather Statement | MPX | Todd | 39 min |
| Jul 21, 4:23 AM CDT | Severe Thunderstorm Warning | MPX | Douglas | 37 min |
| Jul 21, 4:27 AM CDT | Severe Thunderstorm Warning | MPX | Todd | 33 min |
| Jul 21, 4:34 AM CDT | Special Weather Statement | MPX | Dakota, Le Sueur, Nicollet, Rice, Scott | 56 min |
| Jul 21, 5:00 AM CDT | Special Weather Statement | MPX | Todd | 45 min |
| Jul 21, 5:15 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Morrison, Todd | 30 min |
| Jul 21, 5:25 AM CDT | Special Weather Statement | MPX | Goodhue | 65 min |
| Jul 21, 5:42 AM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 35 min |
| Jul 21, 6:26 AM CDT | Special Weather Statement | MPX | Benton | 34 min |
| Jul 21, 4:32 AM CDT | Special Weather Statement | MPX | Barron, Dunn, Saint Croix | 58 min |
| Jul 21, 5:10 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn, Rusk | 65 min |
Nearby
Special Weather Statements in Minnesota, 2016Special Weather Statements in Wisconsin, 2016Every special weather statement in 2016
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.