Alert archive / Mississippi / Wind Advisories in 2012

Wind Advisory 7, NWS Jackson, MS

August 29, 2012Ashley County, Chicot County, Arkansas; 23 counties in Mississippi

NWS Jackson, MS issued this wind advisory at Aug 29, 2012, 4:44 PM CDT for Ashley County, Chicot County, Arkansas; 23 counties in Mississippi. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued
Aug 29, 2012, 4:44 PM CDT (21:44 UTC)
Expired
Aug 30, 2012, 4:00 PM CDT
In force
23 hr
Issued by
NWS Jackson, MS
All 25 counties

Ashley County, AR, Chicot County, AR, Attala County, MS, Bolivar County, MS, Clarke County, MS, Copiah County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Jasper County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Leflore County, MS, Lincoln County, MS, Madison County, MS, Neshoba County, MS, Newton County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Sunflower County, MS, Washington County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 43 km from the middle of the area, began a volume at 21:44 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

Jackson, MS (KJAN), launched 12:00Z, 9.7 hours before the alert went out and 38 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, Jackson, MS at 12:00Z on 2012-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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, Jackson, MS at 12:00Z on 2012-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 248 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
18 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
248 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

245 
WWUS74 KJAN 292144
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
444 PM CDT WED AUG 29 2012

...WIND ADVISORY IN EFFECT FOR PORTIONS OF THE REGION DUE TO TROPICAL STORM
ISSAC...

ARZ074-075-MSZ034>037-041>043-300545-
/O.NEW.KJAN.WI.Y.0007.120829T2144Z-120830T1800Z/
ASHLEY-CHICOT-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-SHARKEY-YAZOO-
MADISON MS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...GREENVILLE...
BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS...
GOODMAN...KOSCIUSKO...ROLLING FORK...ANGUILLA...YAZOO CITY...
RIDGELAND...MADISON...CANTON
444 PM CDT WED AUG 29 2012

...WIND ADVISORY IN EFFECT UNTIL 1 PM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 1 PM CDT THURSDAY. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER SOUTHEAST LOUISIANA
WILL CAUSE SOME BREEZY CONDITIONS ACROSS THE REGION FOR TONIGHT
UNTIL 1 PM THURSDAY. THE AFFECTS OF TROPICAL STORM ISSAC WILL BRING
SUSTAIN WINDS OF 25 MPH WITH GUST OF AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

MSZ044-045-050>052-057-058-300545-
/O.NEW.KJAN.WI.Y.0007.120829T2144Z-120830T1500Z/
LEAKE-NESHOBA-SCOTT-NEWTON-LAUDERDALE-JASPER-CLARKE-
INCLUDING THE CITIES OF...CARTHAGE...PHILADELPHIA...PEARL RIVER...
FOREST...MORTON...NEWTON...UNION...DECATUR...CONEHATTA...
MERIDIAN...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA
444 PM CDT WED AUG 29 2012

...WIND ADVISORY IN EFFECT UNTIL 10 AM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CDT THURSDAY. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER SOUTHEAST LOUISIANA
WILL CAUSE SOME BREEZY CONDITIONS ACROSS THE REGION FOR TONIGHT THROUGH
1 PM THURSDAY. THE AFFECTS OF TROPICAL STORM ISSAC WILL BRING
SUSTAIN WINDS OF 25 MPH WITH GUST OF AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

17
3 follow-up statements
378 
WWUS74 KJAN 300424 AAA
NPWJAN

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
1124 PM CDT WED AUG 29 2012

...WIND ADVISORY IN EFFECT FOR PORTIONS OF THE REGION DUE TO
TROPICAL STORM ISSAC...

ARZ074-075-MSZ034>037-041>043-301230-
/O.CON.KJAN.WI.Y.0007.000000T0000Z-120830T1800Z/
ASHLEY-CHICOT-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-SHARKEY-YAZOO-
MADISON MS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...GREENVILLE...
BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS...
GOODMAN...KOSCIUSKO...ROLLING FORK...ANGUILLA...YAZOO CITY...
RIDGELAND...MADISON...CANTON
1124 PM CDT WED AUG 29 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THURSDAY. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER
SOUTHEAST LOUISIANA WILL CAUSE SOME BREEZY CONDITIONS ACROSS THE
REGION FOR TONIGHT UNTIL 1 PM THURSDAY. THE AFFECTS OF TROPICAL
STORM ISSAC WILL BRING SUSTAIN WINDS OF 25 MPH WITH GUST OF
AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

MSZ044-045-050>052-057-058-301230-
/O.CON.KJAN.WI.Y.0007.000000T0000Z-120830T1500Z/
LEAKE-NESHOBA-SCOTT-NEWTON-LAUDERDALE-JASPER-CLARKE-
INCLUDING THE CITIES OF...CARTHAGE...PHILADELPHIA...PEARL RIVER...
FOREST...MORTON...NEWTON...UNION...DECATUR...CONEHATTA...
MERIDIAN...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA
1124 PM CDT WED AUG 29 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THURSDAY. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER
SOUTHEAST LOUISIANA WILL CAUSE SOME BREEZY CONDITIONS ACROSS THE
REGION FOR TONIGHT THROUGH 1 PM THURSDAY. THE AFFECTS OF TROPICAL
STORM ISSAC WILL BRING SUSTAIN WINDS OF 25 MPH WITH GUST OF
AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

22
856 
WWUS74 KJAN 301006
NPWJAN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE JACKSON MS
506 AM CDT THU AUG 30 2012

...WIND ADVISORY IN EFFECT FOR PORTIONS OF THE REGION DUE TO
TROPICAL STORM ISSAC...

MSZ018-019-025-048-049-054-055-062-063-301815-
/O.EXB.KJAN.WI.Y.0007.120830T1800Z-120830T2100Z/
BOLIVAR-SUNFLOWER-LEFLORE-HINDS-RANKIN-COPIAH-SIMPSON-LINCOLN-
LAWRENCE-
INCLUDING THE CITIES OF...CLEVELAND...INDIANOLA...RULEVILLE...
GREENWOOD...JACKSON...PEARL...BRANDON...RICHLAND...
CRYSTAL SPRINGS...HAZLEHURST...WESSON...MAGEE...MENDENHALL...
BROOKHAVEN...MONTICELLO...NEW HEBRON
506 AM CDT THU AUG 30 2012

...WIND ADVISORY IN EFFECT FROM 1 PM TO 4 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 1 PM TO 4 PM CDT THIS
AFTERNOON. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER SOUTHEAST
LOUISIANA WILL CAUSE SOME WINDY CONDITIONS ACROSS THE REGION FOR
TONIGHT UNTIL 1 PM THURSDAY. THE AFFECTS OF TROPICAL STORM ISSAC WILL
BRING SUSTAIN WINDS OF 25 MPH WITH GUST OF AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

ARZ074-075-MSZ034>036-041>043-301815-
/O.EXT.KJAN.WI.Y.0007.000000T0000Z-120830T2100Z/
ASHLEY-CHICOT-WASHINGTON-HUMPHREYS-HOLMES-SHARKEY-YAZOO-
MADISON MS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...GREENVILLE...
BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS...
GOODMAN...ROLLING FORK...ANGUILLA...YAZOO CITY...RIDGELAND...
MADISON...CANTON
506 AM CDT THU AUG 30 2012

...WIND ADVISORY NOW IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON.

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER
SOUTHEAST LOUISIANA WILL CAUSE SOME WINDY CONDITIONS ACROSS THE REGION
FOR TONIGHT UNTIL 1 PM THURSDAY. THE AFFECTS OF TROPICAL STORM ISSAC
WILL BRING SUSTAIN WINDS OF 25 MPH WITH GUST OF AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

MSZ044-045-050>052-057-058-301500-
/O.CON.KJAN.WI.Y.0007.000000T0000Z-120830T1500Z/
LEAKE-NESHOBA-SCOTT-NEWTON-LAUDERDALE-JASPER-CLARKE-
INCLUDING THE CITIES OF...CARTHAGE...PHILADELPHIA...PEARL RIVER...
FOREST...MORTON...NEWTON...UNION...DECATUR...CONEHATTA...
MERIDIAN...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA
506 AM CDT THU AUG 30 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER
SOUTHEAST LOUISIANA WILL CAUSE SOME WINDY CONDITIONS ACROSS THE
REGION FOR TONIGHT THROUGH 1 PM THURSDAY. THE AFFECTS OF TROPICAL
STORM ISSAC WILL BRING SUSTAIN WINDS OF 25 MPH WITH GUST OF AROUND 35
MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

MSZ037-301800-
/O.CON.KJAN.WI.Y.0007.000000T0000Z-120830T1800Z/
ATTALA-
INCLUDING THE CITY OF...KOSCIUSKO
506 AM CDT THU AUG 30 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER
SOUTHEAST LOUISIANA WILL CAUSE SOME WINDY CONDITIONS ACROSS THE REGION
FOR TONIGHT UNTIL 1 PM THURSDAY. THE AFFECTS OF TROPICAL STORM ISSAC
WILL BRING SUSTAIN WINDS OF 25 MPH WITH GUST OF AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

22
661 
WWUS74 KJAN 301511 AAA
NPWJAN

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
1011 AM CDT THU AUG 30 2012

...WIND ADVISORY IN EFFECT FOR PORTIONS OF THE REGION DUE TO
TROPICAL STORM ISSAC...

MSZ044-045-050>052-057-058-301615-
/O.EXP.KJAN.WI.Y.0007.000000T0000Z-120830T1500Z/
LEAKE-NESHOBA-SCOTT-NEWTON-LAUDERDALE-JASPER-CLARKE-
INCLUDING THE CITIES OF...CARTHAGE...PHILADELPHIA...PEARL RIVER...
FOREST...MORTON...NEWTON...UNION...DECATUR...CONEHATTA...
MERIDIAN...BAY SPRINGS...HEIDELBERG...QUITMAN...STONEWALL...
SHUBUTA
1011 AM CDT THU AUG 30 2012

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 


$$

ARZ074-075-MSZ034>036-041>043-302100-
/O.CON.KJAN.WI.Y.0007.000000T0000Z-120830T2100Z/
ASHLEY-CHICOT-WASHINGTON-HUMPHREYS-HOLMES-SHARKEY-YAZOO-
MADISON MS-
INCLUDING THE CITIES OF...CROSSETT...NORTH CROSSETT...HAMBURG...
WEST CROSSETT...DERMOTT...LAKE VILLAGE...EUDORA...GREENVILLE...
BELZONI...ISOLA...DURANT...TCHULA...LEXINGTON...PICKENS...
GOODMAN...ROLLING FORK...ANGUILLA...YAZOO CITY...RIDGELAND...
MADISON...CANTON
1011 AM CDT THU AUG 30 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER
NORTHEAST LOUISIANA WILL CAUSE SOME WINDY CONDITIONS ACROSS THE
REGION FOR TONIGHT UNTIL 1 PM TODAY. THE AFFECTS OF TROPICAL STORM
ISSAC WILL BRING SUSTAIN WINDS OF 25 MPH WITH GUST OF AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

MSZ037-301800-
/O.CON.KJAN.WI.Y.0007.000000T0000Z-120830T1800Z/
ATTALA-
INCLUDING THE CITY OF...KOSCIUSKO
1011 AM CDT THU AUG 30 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER
NORTHEAST LOUISIANA WILL CAUSE SOME WINDY CONDITIONS ACROSS THE REGION
FOR TONIGHT UNTIL 1 PM TODAY. THE AFFECTS OF TROPICAL STORM ISSAC
WILL BRING SUSTAIN WINDS OF 25 MPH WITH GUST OF AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

MSZ018-019-025-048-049-054-055-062-063-302100-
/O.CON.KJAN.WI.Y.0007.120830T1800Z-120830T2100Z/
BOLIVAR-SUNFLOWER-LEFLORE-HINDS-RANKIN-COPIAH-SIMPSON-LINCOLN-
LAWRENCE-
INCLUDING THE CITIES OF...CLEVELAND...INDIANOLA...RULEVILLE...
GREENWOOD...JACKSON...PEARL...BRANDON...RICHLAND...
CRYSTAL SPRINGS...HAZLEHURST...WESSON...MAGEE...MENDENHALL...
BROOKHAVEN...MONTICELLO...NEW HEBRON
1011 AM CDT THU AUG 30 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON. 

THE AFFECTS OF TROPICAL STORM ISSAC MOVING NORTHWEST OVER
NORTHEAST LOUISIANA WILL CAUSE SOME WINDY CONDITIONS ACROSS THE REGION
FOR TONIGHT UNTIL 1 PM TODAY. THE AFFECTS OF TROPICAL STORM ISSAC
WILL BRING SUSTAIN WINDS OF 25 MPH WITH GUST OF AROUND 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$


17

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 28, 9:09 PM CDTRiver Flood WarningJANFranklin49 hr
Aug 29, 12:47 AM CDTSpecial Weather StatementJANForrest, Lamar, Marion38 min
Aug 29, 5:12 AM CDTTornado WarningJANForrest18 min
Aug 29, 5:53 AM CDTTornado WarningJANForrest22 min
Aug 29, 10:57 AM CDTFlash Flood WarningJANForrest, Lamar, Marion6 hr
Aug 29, 11:51 AM CDTSpecial Weather StatementJANForrest, Lamar, Marion59 min
Aug 29, 12:01 PM CDTSpecial Weather StatementJANCovington, Jefferson Davis, Lawrence59 min
Aug 29, 2:16 PM CDTSpecial Weather StatementJANForrest, Lamar, Marion59 min
Aug 29, 3:38 PM CDTFlash Flood WarningJANCovington, Jefferson Davis, Lawrence, Lincoln6 hr
Aug 29, 4:46 PM CDTFlash Flood WarningJANForrest, Jones, Lamar, Marion5 hr
Aug 29, 5:17 PM CDTSpecial Weather StatementJANForrest, Jefferson Davis, Lamar, Lawrence, Lincoln, Marion58 min

Nearby

Wind Advisories in Mississippi, 2012Wind Advisories in Arkansas, 2012Every wind advisory in 2012

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.