Alert archive / Minnesota / Special Weather Statements in 2015
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Apr 1, 2015, 1:21 PM CDT for Chisago County, Isanti County, Minnesota; Polk County, Wisconsin. It was in force for 39 min. 3 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
- Apr 1, 2015, 1:21 PM CDT (18:21 UTC)
- Expired
- Apr 1, 2015, 2:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
Counties Chisago County, MN, Isanti County, MN, Polk County, WI
The radar
The Minneapolis radar (KMPX), 114 km from the middle of the area, began a volume at 18:22 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 |
|---|---|---|---|
| Apr 1, 1:24 PM CDT | HAIL 0.25 | 3 N Cambridge, MN | DIAMETER WAS 0.375 INCHES. |
| Apr 1, 1:24 PM CDT | HAIL 0.25 | Cambridge, MN | REPORTED VIA SOCIAL MEDIA. |
| Apr 1, 1:47 PM CDT | HAIL 0.75 | Rush City, MN | VERY SHORT BURST OF HAIL. |
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, 6.4 hours before the alert went out and 115 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2734 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
409
WWUS83 KMPX 011821
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
121 PM CDT WED APR 1 2015
MNZ045-052-053-061-WIZ014-011900-
KANABEC-ISANTI-ANOKA-CHISAGO-POLK-
121 PM CDT WED APR 1 2015
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT KANABEC...ISANTI...
ANOKA...CHISAGO AND POLK COUNTIES THROUGH 200 PM CDT...
AT 120 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR LEWIS LAKE TO NEAR EAST BETHEL...AND MOVING EAST
AT 55 MPH.
WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
CAMBRIDGE...FOREST LAKE...HAM LAKE...EAST BETHEL...NORTH BRANCH...
ISANTI...CHISAGO CITY...LINDSTROM...MORA...RUSH CITY...AMERY AND
OSCEOLA.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
LAT...LON 4598 9306 4598 9314 4574 9314 4573 9285
4564 9288 4565 9253 4573 9252 4572 9216
4529 9216 4528 9317 4586 9347 4606 9306
TIME...MOT...LOC 1820Z 248DEG 50KT 4573 9333 4534 9312
$$
JPCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 7:14 PM CDT | Fire Weather Watch | MPX | Blue Earth, Faribault, Freeborn, Goodhue, Le Sueur, Martin and 3 more | 8 hr |
| Apr 1, 3:38 AM CDT | Fire Weather Watch | MPX | Anoka, Benton, Brown, Carver, Chippewa, Chisago and 31 more | 31 hr |
| Apr 1, 3:38 AM CDT | Red Flag Warning | MPX | Blue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 8 more | 15 hr |
| Apr 1, 1:59 PM CDT | Special Weather Statement | MPX | Chisago | 46 min |
| Apr 1, 3:50 PM CDT | Red Flag Warning | MPX | Benton, Blue Earth, Brown, Carver, Chippewa, Douglas and 24 more | 19 hr |
| Apr 1, 5:22 PM CDT | Special Weather Statement | MPX | Sherburne | 38 min |
| Apr 1, 6:17 PM CDT | Special Weather Statement | MPX | Sherburne, Wright | 43 min |
| Apr 1, 6:59 PM CDT | Special Weather Statement | MPX | Anoka, Hennepin, Ramsey | 46 min |
Nearby
Special Weather Statements in Minnesota, 2015Special Weather Statements in Wisconsin, 2015Every special weather statement in 2015
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.