Alert archive / Minnesota / Special Weather Statements in 2019

Special Weather Statement, NWS Twin Cities, MN

August 3, 2019Hennepin County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Aug 3, 2019, 5:20 PM CDT for Hennepin County, Minnesota. It was in force for 25 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 3, 2019, 5:20 PM CDT (22:20 UTC)
Expired
Aug 3, 2019, 5:45 PM CDT
In force
25 min
Issued by
NWS Twin Cities, MN

County Hennepin County, MN

The radar

The Minneapolis radar (KMPX), 25 km from the middle of the area, began a volume at 22:24 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, 10.3 hours before the alert went out and 27 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 2019-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 223 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 2019-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
223 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1168 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

565 
WWUS83 KMPX 032220
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
520 PM CDT Sat Aug 3 2019

MNZ060-032245-
Hennepin-
520 PM CDT Sat Aug 3 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN HENNEPIN COUNTY...

At 518 PM CDT, a strong thunderstorm was located over Minneapolis,
moving north at 10 mph.

Pea size hail and brief heavy rain are possible with this storm.

Locations impacted include...
Minneapolis, Plymouth, Edina, St. Louis Park, Richfield, Golden
Valley, St. Anthony, MSP International Airport, Crystal, New Hope,
Robbinsdale and Univ Of Mn Minneapolis Campus.

LAT...LON 4486 9320 4488 9333 4503 9343 4503 9321
TIME...MOT...LOC 2218Z 178DEG 8KT 4493 9329 

$$

TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 5:46 PM CDTSpecial Weather StatementMPXRamsey44 min
Aug 3, 6:55 PM CDTSpecial Weather StatementMPXRamsey50 min
Aug 3, 5:00 PM CDTSpecial Weather StatementMPXBarron, Dunn45 min
Aug 3, 5:53 PM CDTSpecial Weather StatementMPXBarron, Chippewa, Eau Claire52 min

Nearby

Special Weather Statements in Minnesota, 2019Every special weather statement in 2019

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.