Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 184, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 18, 2017, 5:53 PM CDT for Redwood County, Renville County, Minnesota. It was in force for 37 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 18, 2017, 5:53 PM CDT (22:53 UTC)
- Expired
- Aug 18, 2017, 6:30 PM CDT
- In force
- 37 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Redwood County, MN, Renville County, MN
The radar
The Minneapolis radar (KMPX), 132 km from the middle of the area, began a volume at 22:55 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 18, 4:51 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 129 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
- 23 J/kg
- Mixed-layer CIN
- -139 J/kg
- Mixed-layer LCL
- 1090 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -47 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
368
WUUS53 KMPX 182253
SVRMPX
MNC127-129-182330-
/O.NEW.KMPX.SV.W.0184.170818T2253Z-170818T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
553 PM CDT FRI AUG 18 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
North central Redwood County in southwestern Minnesota...
Central Renville County in central Minnesota...
* Until 630 PM CDT
* At 553 PM CDT, a severe thunderstorm was located over Delhi, or 7
miles northwest of Redwood Falls, moving east at 15 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,
Redwood Falls around 620 PM CDT.
Other locations impacted by this severe thunderstorm include Delhi,
North Redwood and Redwood Falls Airport.
This includes U.S. Highway 71 between mile markers 73 and 75.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4456 9528 4465 9525 4463 9505 4450 9510
TIME...MOT...LOC 2253Z 278DEG 12KT 4459 9524
HAIL...1.00IN
WIND...60MPH
$$
AMK2 follow-up statements
785
WWUS53 KMPX 182310
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
610 PM CDT FRI AUG 18 2017
MNC129-182320-
/O.CAN.KMPX.SV.W.0184.000000T0000Z-170818T2330Z/
Renville MN-
610 PM CDT FRI AUG 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL RENVILLE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 100 AM CDT for
southwestern Minnesota.
LAT...LON 4462 9519 4462 9516 4457 9507 4450 9510
4455 9525
TIME...MOT...LOC 2310Z 278DEG 12KT 4458 9516
$$
MNC127-182330-
/O.CON.KMPX.SV.W.0184.000000T0000Z-170818T2330Z/
Redwood MN-
610 PM CDT FRI AUG 18 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTH CENTRAL REDWOOD COUNTY...
At 610 PM CDT, a severe thunderstorm was located over Delhi, or near
Redwood Falls, moving east at 15 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 storm will be near...
Redwood Falls around 620 PM CDT.
Other locations impacted by this severe thunderstorm include North
Redwood, Redwood Falls Airport and Delhi.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4462 9519 4462 9516 4457 9507 4450 9510
4455 9525
TIME...MOT...LOC 2310Z 278DEG 12KT 4458 9516
HAIL...1.00IN
WIND...60MPH
$$
AMK927
WWUS53 KMPX 182326
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
626 PM CDT FRI AUG 18 2017
MNC127-182336-
/O.EXP.KMPX.SV.W.0184.000000T0000Z-170818T2330Z/
Redwood MN-
626 PM CDT FRI AUG 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL REDWOOD COUNTY
WILL EXPIRE AT 630 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire. However heavy rain
is still possible with this thunderstorm.
A severe thunderstorm watch remains in effect until 100 AM CDT for
southwestern Minnesota.
LAT...LON 4462 9519 4462 9516 4457 9507 4450 9510
4455 9525
TIME...MOT...LOC 2326Z 278DEG 12KT 4457 9509
$$
AMKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 3:54 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 51 min |
| Aug 18, 4:18 PM CDT | Special Weather Statement | MPX | Lac qui Parle | 27 min |
| Aug 18, 4:44 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 31 min |
| Aug 18, 4:55 PM CDT | Special Weather Statement | MPX | Redwood | 35 min |
| Aug 18, 5:07 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Yellow Medicine | 38 min |
| Aug 18, 5:09 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 25 min |
| Aug 18, 5:30 PM CDT | Special Weather Statement | MPX | Redwood | 30 min |
| Aug 18, 6:00 PM CDT | Flash Flood Warning | MPX | Redwood, Yellow Medicine | 4 hr |
| Aug 18, 6:15 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 30 min |
| Aug 18, 6:37 PM CDT | Severe Thunderstorm Warning | MPX | Brown | 23 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.