Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 178, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 1, 2017, 4:37 PM CDT for Rice County, Steele County, Minnesota. It was in force for 23 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, 4:37 PM CDT (21:37 UTC)
- Expired
- Aug 1, 2017, 5:00 PM CDT
- In force
- 23 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Rice County, MN, Steele County, MN
The radar
The Minneapolis radar (KMPX), 70 km from the middle of the area, began a volume at 21:41 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, 9.6 hours before the alert went out and 70 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.
632
WUUS53 KMPX 012137
SVRMPX
MNC131-147-012200-
/O.NEW.KMPX.SV.W.0178.170801T2137Z-170801T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
437 PM CDT TUE AUG 1 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northwestern Steele County in south central Minnesota...
Southern Rice County in south central Minnesota...
* Until 500 PM CDT
* At 436 PM CDT, a severe thunderstorm was located near Warsaw, or
near Faribault, moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near,
Faribault and Warsaw around 445 PM CDT.
Morristown around 450 PM CDT.
Other locations impacted by this severe thunderstorm include
Deerfield, Ruskin and Faribault Airport.
This includes Interstate 35 between mile markers 49 and 61.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4416 9341 4419 9341 4420 9345 4429 9354
4431 9353 4440 9339 4426 9311 4412 9338
TIME...MOT...LOC 2136Z 330DEG 22KT 4432 9340
HAIL...1.00IN
WIND...60MPH
$$
AMK1 follow-up statement
684
WWUS53 KMPX 012200
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
500 PM CDT TUE AUG 1 2017
MNC131-147-012209-
/O.EXP.KMPX.SV.W.0178.000000T0000Z-170801T2200Z/
Steele MN-Rice MN-
500 PM CDT TUE AUG 1 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN STEELE AND
SOUTHERN RICE COUNTIES WILL EXPIRE AT 500 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
LAT...LON 4416 9341 4419 9341 4420 9345 4429 9354
4431 9353 4440 9339 4426 9311 4412 9338
TIME...MOT...LOC 2159Z 330DEG 22KT 4420 9330
$$
AMKThe 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, 5:21 PM CDT | Special Weather Statement | MPX | Blue Earth | 24 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 |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning 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.