Alert archive / Minnesota / Special Weather Statements in 2018
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Apr 13, 2018, 1:21 PM CDT for Redwood 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
- Apr 13, 2018, 1:21 PM CDT (18:21 UTC)
- Expired
- Apr 13, 2018, 1:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Twin Cities, MN
County Redwood County, MN
The radar
The Minneapolis radar (KMPX), 147 km from the middle of the area, began a volume at 18:21 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, 6.4 hours before the alert went out and 144 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
- 723 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
953
WWUS83 KMPX 131821
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
121 PM CDT FRI APR 13 2018
MNZ064-073-131845-
Yellow Medicine-Redwood-
121 PM CDT FRI APR 13 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN REDWOOD AND
SOUTHEASTERN YELLOW MEDICINE COUNTIES...
At 121 PM CDT, a strong thunderstorm was located near Milroy, or 15
miles east of Marshall, moving northeast at 55 mph.
Nickel size hail is possible with this storm.
Locations impacted include...
Echo, Belview, Vesta, Milroy, Lucan and Seaforth.
LAT...LON 4474 9544 4473 9541 4470 9538 4469 9532
4466 9529 4467 9525 4464 9521 4438 9542
4443 9560 4445 9560
TIME...MOT...LOC 1821Z 204DEG 47KT 4446 9548
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 9:34 PM CDT | Winter Storm Warning | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chisago and 24 more | 3 days |
| Apr 13, 8:26 AM CDT | Special Weather Statement | MPX | Brown, Redwood | 64 min |
| Apr 13, 9:01 AM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Watonwan | 14 min |
| Apr 13, 10:14 AM CDT | Special Weather Statement | MPX | Dakota, Rice | 46 min |
| Apr 13, 11:15 AM CDT | River Flood Warning | MPX | Brown | 48 hr |
| Apr 13, 12:36 PM CDT | Special Weather Statement | MPX | Yellow Medicine | 39 min |
| Apr 13, 3:12 PM CDT | Winter Weather Advisory | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 31 more | 57 hr |
| Apr 13, 3:20 PM CDT | Special Weather Statement | MPX | Steele | 25 min |
| Apr 13, 3:57 PM CDT | Special Weather Statement | MPX | Freeborn | 33 min |
| Apr 13, 6:24 PM CDT | Special Weather Statement | MPX | Martin, Watonwan | 51 min |
| Apr 13, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Watonwan | 31 min |
Nearby
Special Weather Statements in Minnesota, 2018Every special weather statement in 2018
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.