Alert archive / Minnesota / Special Weather Statements in 2017
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Aug 1, 2017, 5:21 PM CDT for Blue Earth County, Minnesota. It was in force for 24 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 1, 2017, 5:21 PM CDT (22:21 UTC)
- Expired
- Aug 1, 2017, 5:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Twin Cities, MN
County Blue Earth County, MN
The radar
The Minneapolis radar (KMPX), 93 km from the middle of the area, began a volume at 22:25 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, 10.4 hours before the alert went out and 92 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
- 13 J/kg
- Mixed-layer CIN
- -271 J/kg
- Mixed-layer LCL
- 1331 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
962 WWUS83 KMPX 012221 SPSMPX Special Weather Statement National Weather Service Twin Cities/Chanhassen MN 521 PM CDT TUE AUG 1 2017 MNZ083-084-012245- Waseca-Blue Earth- 521 PM CDT TUE AUG 1 2017 ...A STRONG THUNDERSTORM WILL AFFECT EASTERN BLUE EARTH AND WEST CENTRAL WASECA COUNTIES... At 521 PM CDT, a strong thunderstorm was located over St. Clair, or 8 miles southeast of Mankato, moving southeast at 20 mph. Winds in excess of 30 mph and nickel size hail are possible with this storm. Locations impacted include... Mankato, North Mankato, St. Clair, Pemberton, Skyline and Alma City. This includes U.S. Highway 169 between mile markers 52 and 53. LAT...LON 4408 9411 4417 9403 4408 9362 4387 9383 TIME...MOT...LOC 2221Z 306DEG 18KT 4406 9390 $$ AMK
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 3:55 PM CDT | Special Weather Statement | MPX | Rice | 35 min |
| Aug 1, 4:37 PM CDT | Severe Thunderstorm Warning | MPX | Rice, Steele | 23 min |
| Aug 1, 5:23 PM CDT | Special Weather Statement | MPX | Steele | 37 min |
| Aug 1, 6:45 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 45 min |
| Jul 31, 7:52 PM CDT | Special Weather Statement | MPX | Pierce | 53 min |
| Aug 1, 5:36 PM CDT | Special Weather Statement | MPX | Pepin | 24 min |
Nearby
Special Weather Statements in Minnesota, 2017Every special weather statement in 2017
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.