Alert archive / Iowa / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS Des Moines, IA

May 9, 2016Audubon County, Carroll County, Crawford County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at May 9, 2016, 8:37 PM CDT for Audubon County, Carroll County, Crawford County, Iowa. 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
May 9, 2016, 8:37 PM CDT (01:37 UTC)
Expired
May 9, 2016, 9:14 PM CDT
In force
37 min
Issued by
NWS Des Moines, IA
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Audubon County, IA, Carroll County, IA, Crawford County, IA

The radar

The Des Moines radar (KDMX), 108 km from the middle of the area, began a volume at 01:37 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.

IssuedProductOfficeLasted
May 9, 5:13 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.6 hours before the alert went out and 130 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, Omaha, NE at 00:00Z on 2016-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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, Omaha, NE at 00:00Z on 2016-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
37 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
2626 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

As transmitted.

692 
WUUS53 KDMX 100137
SVRDMX
IAC009-027-047-100230-
/O.NEW.KDMX.SV.W.0013.160510T0137Z-160510T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
837 PM CDT MON MAY 9 2016

THE NATIONAL WEATHER SERVICE IN DES MOINES  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN CRAWFORD COUNTY IN WEST CENTRAL IOWA...
  SOUTHWESTERN CARROLL COUNTY IN WEST CENTRAL IOWA...
  NORTHWESTERN AUDUBON COUNTY IN WEST CENTRAL IOWA...

* UNTIL 930 PM CDT

* AT 837 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES SOUTHEAST
  OF MANNING...OR 8 MILES NORTH OF AUDUBON...MOVING NORTH AT 10 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. 

* LOCATIONS IMPACTED INCLUDE...
  CARROLL...AUDUBON...MANNING...TEMPLETON...HALBUR...GRAY...ASPINWALL...
  MANNING MUNICIPAL AIRPORT AND SWAN LAKE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4206 9485 4177 9482 4166 9509 4186 9509
      4187 9515 4197 9518
TIME...MOT...LOC 0137Z 171DEG 10KT 4183 9499 

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

ZOGG
2 follow-up statements
077 
WWUS53 KDMX 100153
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
853 PM CDT MON MAY 9 2016

IAC009-027-047-100230-
/O.CON.KDMX.SV.W.0013.000000T0000Z-160510T0230Z/
CRAWFORD IA-CARROLL IA-AUDUBON IA-
853 PM CDT MON MAY 9 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR SOUTHEASTERN CRAWFORD...SOUTHWESTERN CARROLL AND NORTHWESTERN
AUDUBON COUNTIES...

AT 852 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR MANNING...OR 11
MILES NORTH OF AUDUBON...MOVING NORTH AT 25 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. 

LOCATIONS IMPACTED INCLUDE...
CARROLL...MANNING...TEMPLETON...HALBUR...GRAY...ASPINWALL...MANNING
MUNICIPAL AIRPORT AND SWAN LAKE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4206 9485 4183 9483 4177 9509 4186 9509
      4187 9515 4197 9518
TIME...MOT...LOC 0152Z 175DEG 22KT 4188 9500 

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

ZOGG
745 
WWUS53 KDMX 100214
SVSDMX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
914 PM CDT MON MAY 9 2016

IAC009-027-047-100224-
/O.CAN.KDMX.SV.W.0013.000000T0000Z-160510T0230Z/
CRAWFORD IA-CARROLL IA-AUDUBON IA-
914 PM CDT MON MAY 9 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRAWFORD...
SOUTHWESTERN CARROLL AND NORTHWESTERN AUDUBON COUNTIES IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
WEST CENTRAL IOWA.

LAT...LON 4206 9485 4183 9483 4177 9509 4186 9509
      4187 9515 4197 9518
TIME...MOT...LOC 0212Z 171DEG 10KT 4194 9501 

$$

ZOGG

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 7:15 PM CDTSevere Thunderstorm WarningDMXAudubon, Guthrie45 min
May 9, 8:00 PM CDTSevere Thunderstorm WarningDMXAudubon, Carroll, Greene, Guthrie45 min
May 9, 8:05 PM CDTTornado Warning Tornado observedDMXGuthrie25 min
May 9, 8:50 PM CDTSpecial Weather StatementDMXAdams, Taylor40 min
May 9, 10:26 PM CDTFlash Flood WarningDMXAudubon, Carroll, Guthrie6 hr
May 9, 11:41 PM CDTSpecial Weather StatementDMXAudubon49 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2016Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.