Alert archive / Minnesota / Special Weather Statements in 2016

Special Weather Statement, NWS Twin Cities, MN

August 4, 20164 counties in Minnesota

NWS Twin Cities, MN issued this special weather statement at Aug 4, 2016, 6:52 AM CDT for 4 counties in Minnesota. It was in force for 53 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 4, 2016, 6:52 AM CDT (11:52 UTC)
Expired
Aug 4, 2016, 7:45 AM CDT
In force
53 min
Issued by
NWS Twin Cities, MN

Counties Carver County, MN, Hennepin County, MN, Ramsey County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 26 km from the middle of the area, began a volume at 11:54 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.

What was reported inside it

TimeReportWhereRemark
Aug 4, 7:16 AM CDTHAIL 0.75New Brighton, MN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 11.9 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 00:00Z on 2016-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1240 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2016-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
1240 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1342 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

766 
WWUS83 KMPX 041152
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
652 AM CDT THU AUG 4 2016
 
MNZ060>063-068-069-041245-
ANOKA-SCOTT-CARVER-WASHINGTON-HENNEPIN-RAMSEY-
652 AM CDT THU AUG 4 2016

...VERY HEAVY RAIN AND LOCALIZED MINOR FLOODING EXPECTED...

A LINE OF STRONG THUNDERSTORMS WILL AFFECT THE FOLLOWING COUNTIES... 

ANOKA...SCOTT...CARVER...WASHINGTON...HENNEPIN...RAMSEY...

AT 650 AM CDT...HEAVY SHOWERS AND THUNDERSTORMS WAS LOCATED ALONG A 
LINE EXTENDING FROM WATERTOWN TO BROOKLYN PARK AND LINO LAKES.

LOCATIONS IMPACTED INCLUDE...
MINNEAPOLIS...ST. PAUL...BLOOMINGTON...BROOKLYN PARK...PLYMOUTH...
EAGAN...MAPLE GROVE...COON RAPIDS...EDEN PRAIRIE...BLAINE...MINNETONKA 
AND EDINA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE PONDING OF WATER IN
URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER
POOR DRAINAGE AREAS AND LOW LYING SPOTS. DO NOT ATTEMPT TO TRAVEL
ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW
INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 4529 9302 4527 9275 4519 9277 4513 9275
      4491 9306 4492 9313 4484 9321 4471 9357
      4465 9376 4486 9399 4492 9401 4498 9383
      4498 9377 4501 9376 4509 9352 4532 9305
TIME...MOT...LOC 1150Z 308DEG 18KT 4518 9308 4500 9342 4485 9387 
$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 1:37 AM CDTSpecial Weather StatementMPXDouglas, Pope, Stevens53 min
Aug 4, 2:08 AM CDTSpecial Weather StatementMPXTodd67 min
Aug 4, 2:33 AM CDTSpecial Weather StatementMPXMorrison57 min
Aug 4, 2:40 AM CDTSevere Thunderstorm WarningMPXMorrison, Todd50 min
Aug 4, 3:23 AM CDTSpecial Weather StatementMPXMille Lacs52 min
Aug 4, 3:46 AM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs44 min
Aug 4, 5:18 AM CDTSpecial Weather StatementMPXYellow Medicine42 min
Aug 4, 5:34 AM CDTSpecial Weather StatementMPXWright41 min
Aug 4, 5:49 AM CDTSpecial Weather StatementMPXYellow Medicine56 min
Aug 4, 6:02 AM CDTSevere Thunderstorm WarningMPXHennepin, Wright28 min
Aug 4, 6:10 AM CDTSevere Thunderstorm WarningMPXBrown, Redwood, Renville, Yellow Medicine50 min
Aug 4, 7:31 AM CDTSpecial Weather StatementMPXCarver, Dakota, Hennepin, Le Sueur, Ramsey, Rice and 2 more59 min
Aug 4, 7:52 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright26 min
Aug 4, 8:18 AM CDTSpecial Weather StatementMPXAnoka27 min
Aug 4, 8:35 AM CDTSpecial Weather StatementMPXChisago25 min
Aug 4, 12:53 PM CDTSevere Thunderstorm WarningMPXSteele22 min
Aug 4, 9:01 AM CDTSpecial Weather StatementMPXPierce29 min
Aug 4, 9:22 AM CDTSpecial Weather StatementMPXPepin23 min

Nearby

Special Weather Statements in Minnesota, 2016Every special weather statement in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.