Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 5, NWS Twin Cities, MN

May 24, 2018Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 24, 2018, 5:06 PM CDT for Renville 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
May 24, 2018, 5:06 PM CDT (22:06 UTC)
Expired
May 24, 2018, 5:30 PM CDT
In force
24 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Renville County, MN

The radar

The Minneapolis radar (KMPX), 99 km from the middle of the area, began a volume at 22:08 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, 10.1 hours before the alert went out and 96 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2018-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 284 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2018-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
284 J/kg
Mixed-layer CIN
-141 J/kg
Mixed-layer LCL
1325 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

520 
WUUS53 KMPX 242206
SVRMPX
MNC129-242230-
/O.NEW.KMPX.SV.W.0005.180524T2206Z-180524T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
506 PM CDT THU MAY 24 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern Renville County in central Minnesota...

* Until 530 PM CDT

* At 506 PM CDT, a severe thunderstorm was located near Bird Island,
  or 18 miles northeast of Redwood Falls, moving northeast 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,
  Hector around 525 PM CDT. 

This includes U.S. Highway 212 between mile markers 81 and 93.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4466 9483 4474 9494 4488 9481 4475 9464
TIME...MOT...LOC 2206Z 227DEG 15KT 4473 9485 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 24, 1:09 AM CDTSpecial Weather StatementMPXKanabec51 min
May 24, 3:22 PM CDTSpecial Weather StatementMPXYellow Medicine23 min
May 24, 5:03 PM CDTSpecial Weather StatementMPXRenville27 min
May 24, 5:28 PM CDTSpecial Weather StatementMPXRenville47 min
May 24, 6:17 PM CDTSpecial Weather StatementMPXCarver43 min
May 24, 6:21 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Sibley39 min
May 24, 6:46 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Scott29 min
May 24, 6:55 PM CDTSevere Thunderstorm WarningMPXHennepin, Wright20 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2018Every severe thunderstorm warning 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.