Alert archive / Minnesota / Special Weather Statements in 2017

Special Weather Statement, NWS Twin Cities, MN

July 19, 2017Meeker County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 19, 2017, 10:22 PM CDT for Meeker 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
Jul 19, 2017, 10:22 PM CDT (03:22 UTC)
Expired
Jul 19, 2017, 10:45 PM CDT
In force
23 min
Issued by
NWS Twin Cities, MN

County Meeker County, MN

The radar

The Minneapolis radar (KMPX), 64 km from the middle of the area, began a volume at 03:26 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 00:00Z, 3.4 hours before the alert went out and 61 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 00:00Z on 2017-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 00:00Z on 2017-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 square meters per square second.19395878Sfc1 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
14 J/kg
Mixed-layer CIN
-693 J/kg
Mixed-layer LCL
1310 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

794 
WWUS83 KMPX 200322
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1022 PM CDT WED JUL 19 2017

MNZ058-059-200345-
Meeker-Wright-
1022 PM CDT WED JUL 19 2017

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN WRIGHT AND
NORTHEASTERN MEEKER COUNTIES...

At 1022 PM CDT, a strong thunderstorm was located over Litchfield
Airport, or 18 miles north of Hutchinson, moving east at 45 mph.

Nickel size hail is possible with this storm.

Locations impacted include...
Litchfield, Cokato, Dassel, Forest City, Darwin, Litchfield Airport
and Smith Lake.

This includes U.S. Highway 12 between mile markers 96 and 122.
 
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4516 9404 4498 9418 4498 9426 4512 9462
      4527 9456
TIME...MOT...LOC 0322Z 287DEG 38KT 4515 9448 

$$

ETA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 9:19 PM CDTFlash Flood WatchMPXCarver, Dakota, Goodhue, Hennepin, Le Sueur, McLeod and 7 more6 hr
Jul 19, 9:42 PM CDTSpecial Weather StatementMPXDakota33 min
Jul 19, 9:46 PM CDTSpecial Weather StatementMPXKandiyohi29 min
Jul 19, 9:59 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker31 min
Jul 19, 10:20 PM CDTSpecial Weather StatementMPXRamsey25 min
Jul 20, 12:41 AM CDTSevere Thunderstorm WarningMPXMartin, Watonwan79 min
Jul 20, 1:02 AM CDTSpecial Weather StatementMPXFaribault58 min
Jul 20, 12:18 AM CDTSpecial Weather StatementMPXPierce57 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.