Alert archive / Missouri / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 101, NWS Springfield, MO

March 12, 2006Dallas County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Mar 12, 2006, 11:52 PM CST for Dallas County, Missouri. 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: Mar 12, 2006, 11:52 PM CST (05:52 UTC)
Expired: Mar 13, 2006, 12:45 AM CST
In force: 53 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Dallas County, MO

The radar

The Springfield radar (KSGF), 68 km from the middle of the area, began a volume at 05:56 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

Time	Report	Where	Remark
Mar 13, 12:25 AM CST	TSTM WND GST 60	Buffalo, MO

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 33 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 12, 8:42 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.9 hours before the alert went out and 118 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1549 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1450 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 13.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 130552
SVRSGF
MOC059-130645-
/O.NEW.KSGF.SV.W.0101.060313T0552Z-060313T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1152 PM CST SUN MAR 12 2006

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DALLAS COUNTY IN MISSOURI.

* UNTIL 1245 AM CST.

* AT 1151 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 7 MILES WEST OF BUFFALO...AND MOVING NORTHEAST AT
  60 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTHERN
  DALLAS COUNTY...INCLUDING THE TOWNS OF LOUISBURG...PUMPKIN
  CENTER...PLAD...TUNAS AND LEADMINE.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH NOT IMMEDIATELY
LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CST MONDAY MORNING FOR
MISSOURI. A TORNADO WATCH ALSO REMAINS IN EFFECT UNTIL 400 AM CST
MONDAY MORNING FOR MISSOURI.

LAT...LON 3786 9318 3759 9317 3770 9290 3789 9288

$$

FOSTER

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 12, 8:45 PM CST, 3 hours 7 minutes earlier.

Area forecast discussion, Mar 12, 8:45 PM CST, 3 hours 7 minutes before

AREA FORECAST DISCUSSION...MESOSCALE UPDATE
NATIONAL WEATHER SERVICE SPRINGFIELD MO
845 PM CST SUN MAR 12 2006

.UPDATE...
THUNDERSTORMS ACROSS SOUTHEAST KANSAS AND FAR WESTERN MISSOURI ARE
BECOMING MORE ORGANIZED IN TERMS OF ROTATION AND SEVERITY. LATEST
RUC INFORMATION CONTINUES TO SHOW AN OVERALL INCREASE OF 0-1KM
HELICITY IN SOUTHWEST MISSOURI SINCE 7 PM...WITH A SUBSTANTIAL
INCREASE IN SHEAR AND TORNADIC PARAMETERS IN THE SAME AREAS. EXPECT
THE STORMS IN FAR WESTERN MISSOURI AND NORTHEAST OKLAHOMA TO
CONTINUE THEIR INTENSITY IN THE NEXT HOUR OR TWO AND MAY BECOME
TORNADIC IF CONDITIONS WARRANT. JLT

&&

.DISCUSSION...
PREVIOUS DISCUSSION AT 330 PM
VERY DEFINED CONVERGENT ZONE SEEN IN METAR OBSERVATIONS ACROSS
EASTERN KANSAS. DEWPOINTS AHEAD OF THE DRY LINE IN THE 60S OVER
SOUTHWESTERN MISSOURI AND SOUTHEASTERN KANSAS. BEHIND THE DRY
LINE...DEWPOINTS ARE IN THE TEENS. THIS WILL BE THE FOCUS OF
THUNDERSTORM DEVELOPMENT FOR US THIS AFTERNOON AND EARLY EVENING.
EXTRAPOLATION OF THE LINE PUTS IT OVER SPRINGFIELD BY 01Z. 18Z SGF
SOUNDING SHOWING A LOADED GUN PROFILE...CAPE VALUES OF 2164
J/KG...WBZ AT 8850 FEET AND -5.8 LIS. GETTING REPORTS OF TORNADOS
AND LARGE HAIL FROM STORMS IN KANSAS AND NORTHERN MISSOURI AND THEY
ARE HEADED THIS WAY.

GFS MOVES THE 850MB LOW THROUGH NORTHEASTERN MISSOURI BY 12Z MONDAY.
AHEAD OF THE LOW...925MB WINDS UP TO 50KTS COVER THE ENTIRE SOUTHERN
PART OF THE STATE.  WE ARE GOING TO SEE SEVERE WEATHER PROGRESSING
THROUGH THE NIGHT. SPC FORECASTING SQUALL LINE DEVELOPMENT OVERNIGHT
AS WELL AND HAVE THE TORNADO WATCH OUT THROUGH 10 PM THIS EVENING.
WOULD NOT BE SURPRISED TO SEE THAT EXTENDED.

ONCE THE LOW MOVES EAST...850MB TEMPS DROP FROM 14C TODAY TO -4C
TOMORROW AFTERNOON. TEMPERATURES SHOULD BECOME MORE SEASONAL MONDAY
AND TUESDAY WITH TEMPERATURE IN THE MID 50S FOR HIGHS.

DID NOT MESS TOO MUCH WITH PREVIOUS FORECAST. DID INTRODUCE CHANCE
THUNDERSTORMS TO THE FORECAST FOR THURSDAY AS A SHORTWAVE MOVES
THROUGH NORTHERN MISSOURI DURING THE DAY. OTHERWISE...JUST FOCUSED
ON THE SHORT TERM. GCC
&&

.AVIATION...

00Z TAFS...DRY LINE STILL HANGING TOUGH OVER EASTERN KANSAS. LATEST
SOUNDING SHOWING THE SUBSIDENCE INVERSION STARTING TO BREAK DOWN. SO
CONVECTION SHOULD BEGIN ACROSS SOUTHERN MISSOURI SHORTLY. STILL
LOOKS LIKE THUNDERSTORMS WILL CONTINUE THROUGH THE EVENING AS COLD
FRONT DOES NOT MAKE ITS WAY THROUGH UNTIL 12Z TOMORROW.

GCC

&&

.SGF WATCHES/WARNINGS/ADVISORIES...

MO...NONE.
KS...NONE.

WFO SGF

Hazardous weather outlook, Mar 12, 6:25 PM CST, 5 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
625 PM CST SUN MAR 12 2006

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-131500-
BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON-
ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS-
LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON-
LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE-
TANEY-OZARK-OREGON-
625 PM CST SUN MAR 12 2006

...SEVERE WEATHER POSSIBLE THROUGH THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI
OZARKS AND EXTREME SOUTHEAST KANSAS.

.DAY ONE...TODAY AND TONIGHT.

 WEATHER HAZARDS EXPECTED: SEVERE THUNDERSTORMS CAPABLE OF
 PRODUCING:

   HAIL TO THE SIZE OF BASEBALLS.
   DAMAGING WINDS IN EXCESS OF 80 MPH.
   TORNADOES...A FEW POTENTIALLY VIOLENT AND LONG LIVED.
   LOCALLY HEAVY RAINFALL.

 AREAS AFFECTED AND TIMING:

  ALL OF THE MISSOURI OZARKS AND SOUTHEAST KANSAS THROUGH THE
  EVENING. THE HIGHEST THREAT AREA WILL BE WEST OF A LINE FROM
  JOPLIN TO NEVADA EARLY THROUGH 9 PM THIS EVENING. SPREADING
  EASTWARD OVER CENTRAL MISSOURI FROM BRANSON TO OSAGE BEACH AROUND
  MIDNIGHT. THEN OVER SOUTHEASTERN AND EASTERN MISSOURI AROUND 3 AM.

  DISCUSSION:

  THUNDERSTORMS WILL BE FOCUSED ALONG A WARM FRONT OVER NORTHERN
  MISSOURI AND ALONG A DRY LINE SITUATED OVER EASTERN KANSAS.
  CURRENTLY...THE DRY LINE IS LOCATED IN EASTERN KANSAS FROM TOPEKA
  SOUTH TO CENTRAL OKLAHOMA. SEVERE THUNDERSTORMS ARE FORMING ALONG
  THIS LINE AND THE LINE WILL SLOWLY MOVE EAST OVERNIGHT. SQUALL
  LINES ARE EXPECTED TO FORM OVER NIGHT AND THE ASSOCIATED
  THUNDERSTORMS WILL PRODUCE LARGE HAIL...DAMAGING STRAIGHT LINE
  WINDS AND HAS THE POSSIBILITY OF PRODUCING SOME VIOLENT TORNADOES.

  THIS IS POTENTIALLY A VERY DANGEROUS SITUATION. PLEASE REVIEW
  SEVERE WEATHER SAFETY RULES AND MONITOR LOCAL MEDIA AND NOAA
  WEATHER RADIO FOR WATCHES AND WARNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

  ANOTHER STORM SYSTEM WILL MOVE THROUGH THE STATE THURSDAY FOR AN
  INCREASED THREAT OF THUNDERSTORMS THURSDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION WILL LIKELY BE NEEDED THIS AFTERNOON AND
  EARLY EVENING.

&&

THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH
OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WWW.CRH.NOAA.GOV/SGF(ALL LOWERCASE)

GCC

In the hours before

Local storm report, Mar 12, 11:40 PM CST, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1140 PM CST SUN MAR 12 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1045 PM     TORNADO          2 E BILLINGS            37.07N 93.52W
03/12/2006                   CHRISTIAN          MO   PUBLIC

            TREES REPORTED DOWN. BARNS DESTROYED AND DEBRIS ON
            ROADWAY 1 MILE SOUTHEAST OF BILLINGS. POSSIBLE TORNADO
            DAMAGE.

&&

JAS

Local storm report, Mar 12, 11:41 PM CST, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1141 PM CST SUN MAR 12 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1115 PM     HAIL             LIBERAL                 37.56N 94.52W
03/12/2006  E0.25 INCH       BARTON             MO   LAW ENFORCEMENT

&&

JAS

Local storm report, Mar 12, 11:42 PM CST, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1142 PM CST SUN MAR 12 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1110 PM     TORNADO          BILLINGS                37.07N 93.55W
03/12/2006                   CHRISTIAN          MO   AMATEUR RADIO

            TREES DOWN AND HOUSING DEBRIS...ALONG 160 FROM
            MARIONVILLE TO BILLINGS. POSSIBLE TORNADO DAMAGE

&&

JAS

Local storm report, Mar 12, 11:43 PM CST, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1143 PM CST SUN MAR 12 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1136 PM     HAIL             GROVESPRING             37.40N 92.61W
03/12/2006  E1.00 INCH       WRIGHT             MO   AMATEUR RADIO

            AT FF AND C...60 MPH WIND WAS MEASURED BY INSTRUMENT.

&&

JAS

Local storm report, Mar 12, 11:44 PM CST, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1144 PM CST SUN MAR 12 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1133 PM     TSTM WND DMG     2 S LINCOLN             38.36N 93.33W
03/12/2006                   BENTON             MO   LAW ENFORCEMENT

            STORAGE BIN BLOWN ACROSS HIGHAY 65.

&&

GAGAN

Local storm report, Mar 12, 11:52 PM CST, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1152 PM CST SUN MAR 12 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1043 PM     TORNADO          BRANSON                 36.64N 93.22W
03/12/2006                   TANEY              MO   PUBLIC

            TORNADO REPORTED ALONG 248 JUST NORTH OF BRANSON

1050 PM     HAIL             SPRINGFIELD             37.20N 93.29W
03/12/2006  E2.75 INCH       GREENE             MO   AMATEUR RADIO

1050 PM     HAIL             SPRINGFIELD             37.20N 93.29W
03/12/2006  E2.75 INCH       GREENE             MO   AMATEUR RADIO

            REPORTED AT GLENSTONE AND PRIMROSE

1053 PM     HAIL             SPRINGFIELD             37.20N 93.29W
03/12/2006  E1.75 INCH       GREENE             MO   NWS EMPLOYEE

            REPORTED AT GLENSTONE AND SUNSET

1100 PM     HAIL             SPRINGFIELD             37.20N 93.29W
03/12/2006  E2.75 INCH       GREENE             MO   PUBLIC

            REPORTED AT KIMBROUGH AND CHEROKEE

1115 PM     TSTM WND GST     2 N ASBURY              37.30N 94.61W
03/12/2006  E60 MPH          JASPER             MO   AMATEUR RADIO

&&

JAS

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 12, 8:07 PM CST	Severe Thunderstorm Warning	SGF	Barton, Vernon	68 min
Mar 12, 8:43 PM CST	Severe Thunderstorm Warning	SGF	Cedar	62 min
Mar 12, 8:48 PM CST	Tornado Warning	SGF	Cedar, Vernon	40 min
Mar 12, 8:51 PM CST	Severe Thunderstorm Warning	SGF	Jasper	39 min
Mar 12, 8:53 PM CST	Tornado Warning	SGF	Barton	44 min
Mar 12, 9:01 PM CST	Tornado Warning	SGF	McDonald, Newton	55 min
Mar 12, 9:02 PM CST	Tornado Warning	SGF	St. Clair	51 min
Mar 12, 9:20 PM CST	Tornado Warning	SGF	Dade	37 min
Mar 12, 9:22 PM CST	Tornado Warning	SGF	Benton, Hickory	53 min
Mar 12, 9:27 PM CST	Severe Thunderstorm Warning	SGF	Cedar	48 min
Mar 12, 9:35 PM CST	Tornado Warning Emergency	SGF	Cedar	34 min
Mar 12, 9:36 PM CST	Tornado Warning	SGF	Barry, Lawrence	54 min
Mar 12, 9:46 PM CST	Severe Thunderstorm Warning	SGF	Jasper	44 min
Mar 12, 9:51 PM CST	Tornado Warning	SGF	Polk	30 min
Mar 12, 9:57 PM CST	Tornado Warning	SGF	Camden	63 min
Mar 12, 9:59 PM CST	Tornado Warning Emergency	SGF	Christian, Greene, Stone	65 min
Mar 12, 10:08 PM CST	Tornado Warning	SGF	Hickory	44 min
Mar 12, 10:09 PM CST	Tornado Warning	SGF	Morgan	66 min
Mar 12, 10:12 PM CST	Severe Thunderstorm Warning	SGF	Barry	63 min
Mar 12, 10:22 PM CST	Severe Thunderstorm Warning	SGF	Vernon	38 min
Mar 12, 10:30 PM CST	Tornado Warning	SGF	Miller	27 min
Mar 12, 10:37 PM CST	Tornado Warning Emergency	SGF	Barry, Stone	39 min
Mar 12, 10:39 PM CST	Tornado Warning Emergency	SGF	Webster	66 min
Mar 12, 10:43 PM CST	Tornado Warning	SGF	Benton	15 min
Mar 12, 10:46 PM CST	Tornado Warning	SGF	St. Clair	29 min
Mar 12, 10:53 PM CST	Tornado Warning	SGF	Taney	67 min
Mar 12, 11:00 PM CST	Tornado Warning	SGF	Morgan	60 min
Mar 12, 11:07 PM CST	Tornado Warning Emergency	SGF	Wright	48 min
Mar 12, 11:13 PM CST	Severe Thunderstorm Warning	SGF	Jasper, Newton	32 min
Mar 12, 11:13 PM CST	Tornado Warning	SGF	Miller	22 min
Mar 12, 11:15 PM CST	Severe Thunderstorm Warning	SGF	Benton	30 min
Mar 12, 11:25 PM CST	Tornado Warning	SGF	Ozark	65 min
Mar 12, 11:30 PM CST	Severe Thunderstorm Warning	SGF	Morgan	30 min
Mar 12, 11:36 PM CST	Tornado Warning	SGF	Laclede, Texas	40 min
Mar 12, 11:40 PM CST	Tornado Warning	SGF	Morgan	35 min
Mar 12, 11:43 PM CST	Severe Thunderstorm Warning	SGF	Lawrence	49 min
Mar 12, 11:45 PM CST	Severe Thunderstorm Warning	SGF	Polk	60 min
Mar 12, 11:49 PM CST	Tornado Warning	SGF	Pulaski	28 min
Mar 12, 11:55 PM CST	Severe Thunderstorm Warning	SGF	Benton	50 min
Mar 12, 11:59 PM CST	Tornado Warning	SGF	Hickory	28 min
Mar 13, 12:00 AM CST	Severe Thunderstorm Warning	SGF	Douglas	45 min
Mar 13, 12:04 AM CST	Tornado Warning	SGF	Dallas	20 min
Mar 13, 12:05 AM CST	Tornado Warning	SGF	Dent	38 min
Mar 13, 12:06 AM CST	Tornado Warning	SGF	Benton	20 min
Mar 13, 12:08 AM CST	Tornado Warning	SGF	Phelps	37 min
Mar 13, 12:11 AM CST	Tornado Warning	SGF	Douglas, Howell	64 min
Mar 13, 12:15 AM CST	Severe Thunderstorm Warning	SGF	Camden	60 min
Mar 13, 12:16 AM CST	Severe Thunderstorm Warning	SGF	Greene	74 min
Mar 13, 12:19 AM CST	Tornado Warning	SGF	Greene	49 min
Mar 13, 12:20 AM CST	Tornado Warning	SGF	Camden	29 min
Mar 13, 12:41 AM CST	Tornado Warning	SGF	Oregon, Shannon	64 min
Mar 13, 12:42 AM CST	Tornado Warning	SGF	Miller	28 min
Mar 13, 12:46 AM CST	Tornado Warning	SGF	Webster	39 min
Mar 13, 12:52 AM CST	Tornado Warning	SGF	Maries	42 min
Mar 13, 1:22 AM CST	Severe Thunderstorm Warning	SGF	Wright	53 min
Mar 13, 1:59 AM CST	Severe Thunderstorm Warning	SGF	Texas	46 min
Mar 13, 2:07 AM CST	Severe Thunderstorm Warning	SGF	Dent	39 min
Mar 13, 2:09 AM CST	Tornado Warning	SGF	Ozark	39 min
Mar 13, 2:11 AM CST	Severe Thunderstorm Warning	SGF	Texas	34 min
Mar 13, 3:00 AM CST	Severe Thunderstorm Warning	SGF	Howell	45 min
Mar 13, 3:25 AM CST	Severe Thunderstorm Warning	SGF	Oregon	65 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2006 Every severe thunderstorm warning in 2006

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.