Alert archive / Iowa / High Wind Warnings in 2015

High Wind Warning 2, NWS Sioux Falls, SD

July 13, 2015Ida County, Woodbury County, Iowa

NWS Sioux Falls, SD issued this high wind warning at Jul 13, 2015, 4:07 AM CDT for Ida County, Woodbury County, Iowa. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 13, 2015, 4:07 AM CDT (09:07 UTC)
Expired
Jul 13, 2015, 5:16 AM CDT
In force
69 min
Issued by
NWS Sioux Falls, SD

Counties Ida County, IA, Woodbury County, IA

The radar

The Omaha radar (KOAX), 128 km from the middle of the area, began a volume at 09:10 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

Omaha, NE (KOAX), launched 00:00Z, 9.1 hours before the alert went out and 128 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 2015-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4279 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 2015-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
4279 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1455 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.7
Supercell composite
9.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

537 
WWUS73 KFSD 130907
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
407 AM CDT MON JUL 13 2015

IAZ031-131015-
/O.NEW.KFSD.HW.W.0002.150713T0907Z-150713T1000Z/
WOODBURY-
INCLUDING THE CITY OF...SIOUX CITY
407 AM CDT MON JUL 13 2015

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM CDT EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT UNTIL 5 AM CDT EARLY THIS
MORNING. 

* TIMING...THROUGH 5 AM.

* WEATHER CONDITIONS...RAPIDLY WEAKENING THUNDERSTORMS ARE
  PRODUCING STRONG WINDS...SOMETIMES 45 TO 60 MPH WHICH COULD
  PRODUCE DAMAGE TO WEAK STRUCTURES AND TREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

IAZ032-131100-
/O.NEW.KFSD.HW.W.0002.150713T0907Z-150713T1100Z/
IDA-
INCLUDING THE CITIES OF...IDA GROVE...HOLSTEIN...BATTLE CREEK
407 AM CDT MON JUL 13 2015

...HIGH WIND WARNING IN EFFECT UNTIL 6 AM CDT EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A HIGH
WIND WARNING...WHICH IS IN EFFECT UNTIL 6 AM CDT EARLY THIS
MORNING. 

* TIMING...THROUGH 6 AM.

* WEATHER CONDITIONS...RAPIDLY WEAKENING THUNDERSTORMS ARE
  PRODUCING STRONG WINDS...SOMETIMES 45 TO 60 MPH WHICH COULD
  PRODUCE DAMAGE TO WEAK STRUCTURES AND TREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$
2 follow-up statements
401 
WWUS73 KFSD 131002
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
502 AM CDT MON JUL 13 2015


IAZ031-131115-
/O.EXP.KFSD.HW.W.0002.000000T0000Z-150713T1000Z/
WOODBURY-
INCLUDING THE CITY OF...SIOUX CITY
502 AM CDT MON JUL 13 2015

...HIGH WIND WARNING HAS EXPIRED...

ISOLATED SHOWERS CONTINUE TO MOVE SOUTHEAST THEREFORE THE WINDS
HAVE BECOME LIGHT AGAIN.

$$

IAZ032-131115-
/O.CON.KFSD.HW.W.0002.000000T0000Z-150713T1100Z/
IDA-
INCLUDING THE CITIES OF...IDA GROVE...HOLSTEIN...BATTLE CREEK
502 AM CDT MON JUL 13 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM CDT EARLY THIS
MORNING...

* TIMING...THROUGH 6 AM.

* WEATHER CONDITIONS...WEAKENING AND DEPARTING ISOLATED SHOWERS
  ARE CAPABLE OF PRODUCING ISOLATED STRONG WIND GUSTS...SOMETIMES
  45 TO 60 MPH WHICH COULD PRODUCE DAMAGE TO WEAK STRUCTURES AND
  TREES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$
137 
WWUS73 KFSD 131016
NPWFSD

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SIOUX FALLS SD
516 AM CDT MON JUL 13 2015

IAZ032-131130-
/O.CAN.KFSD.HW.W.0002.000000T0000Z-150713T1100Z/
IDA-
INCLUDING THE CITIES OF...IDA GROVE...HOLSTEIN...BATTLE CREEK
516 AM CDT MON JUL 13 2015

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE
HIGH WIND WARNING. 

THE SHOWERS HAVE MOVED RAPIDLY OFF TO THE SOUTHEAST AND CONTINUE
TO WEAKEN FURTHER. THEREFORE STRONG WINDS ARE NO LONGER A THREAT
FOR IDA COUNTY.

$$

Nearby

High Wind Warnings in Iowa, 2015Every high wind warning in 2015

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.