Alert archive / Illinois / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 138, NWS Lincoln, IL

July 26, 2005Clark County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 26, 2005, 9:04 PM CDT for Clark County, Illinois. It was in force for 43 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
Jul 26, 2005, 9:04 PM CDT (02:04 UTC)
Expired
Jul 26, 2005, 9:47 PM CDT
In force
43 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Clark County, IL

The radar

The Evansville,IN radar (KVWX), 124 km from the middle of the area, began a volume at 02:07 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
Jul 26, 9:30 PM CDTTSTM WND DMGMarshall, ILTREE LIMBS DOWN.

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 26 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.

IssuedProductOfficeLasted
Jul 26, 5:40 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.1 hours before the alert went out and 109 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, Lincoln, IL at 00:00Z on 2005-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 110 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, Lincoln, IL at 00:00Z on 2005-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
110 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 270204
SVRILX
ILC023-270245-
/O.NEW.KILX.SV.W.0138.050727T0204Z-050727T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
904 PM CDT TUE JUL 26 2005

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARK COUNTY IN EAST CENTRAL ILLINOIS

* UNTIL 945 PM CDT

* AT 858 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 12 MILES WEST OF CLARKSVILLE...
  OR ABOUT 8 MILES EAST OF CHARLESTON...AND WAS MOVING EAST AT 45
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  CLARKSVILLE
  MARSHALL
  DENNISON

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3948 8795 3924 8799 3921 8765 3946 8755

$$

HJS
2 follow-up statements
000 
WWUS53 KILX 270230
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
930 PM CDT TUE JUL 26 2005

ILC045-270240-
/O.EXP.KILX.SV.W.0135.000000T0000Z-050727T0230Z/
EDGAR-
930 PM CDT TUE JUL 26 2005

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN EDGAR COUNTY EXPIRED
AT 930 PM CDT...

AT 930 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF THE
AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT.
REMAIN ALERT TO THE POSSIBILITY OF MORE SEVERE WEATHER.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3958 8790 3950 8793 3949 8756 3961 8756

$$

SHIMON
000 
WWUS53 KILX 270247
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
947 PM CDT TUE JUL 26 2005

ILC023-270257-
/O.EXP.KILX.SV.W.0138.000000T0000Z-050727T0245Z/
CLARK-
947 PM CDT TUE JUL 26 2005

...THE SEVERE THUNDERSTORM WARNING FOR CLARK COUNTY EXPIRED AT 945 PM
CDT...

AT 941 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD WEAKENED...THUS
THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 12 AM. REMAIN 
ALERT TO THE POSSIBILITY OF MORE SEVERE WEATHER.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3948 8795 3924 8799 3921 8765 3946 8755

$$

HJS

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 Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 26, 9:03 PM CDT, 1 minute earlier.

Area forecast discussion, Jul 26, 9:03 PM CDT, 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
900 PM CDT TUE JULY 26 2005

.DISCUSSION...

LINE OF STRONG TO SEVERE THUNDERSTORMS CONTINUES TO MOVE ACROSS
EASTERN AND SOUTHEASTERN ILLINOIS THIS EVENING. SEVERE WATCH
CONTINUES FOR SOUTHEASTERN IL TIL 10 PM WITH ANOTHER WATCH THAT GOES
UNTIL MIDNIGHT. WILL PROBABLY BE LETTING SOME OF WATCH 690 GO BEFORE
THE ZONE UPDATE...WHILE THE WATCH IN THE SOUTHEAST IS BEING LOOKED
AT.

BEHIND THE FRONT...A LARGE AREA OF RAIN WILL CONTINUE FOR SEVERAL
HOURS AND PROBABLY NOT END UNTIL AFTER MIDNIGHT.

WILL UPDATE GRIDS AND ZFP ONCE WATCH INFORMATION HAS BEEN UPDATED.
SO STAY TUNED FOR THE UPDATE.

&&

.DISCUSSION...
MUCH NEEDED RAINFALL IS ON THE HORIZON. THE QUESTIONS FOR TONIGHT
IS HOW LONG WILL IT LAST AND HOW MUCH WILL WE GET. COOLER AIR WILL
ACCOMPANY THE RAIN AS A COLD FRONT SWEEPS THROUGH THE STATE TONIGHT
AND EARLY WEDNESDAY. SEASONABLE TEMPERATURES WILL BE THE RULE FOR
THE REST OF THE WEEK AND INTO THE WEEKEND...BUT THERE WILL ALSO BE
ALOT OF DRY AIR AND LITTLE CHANCE FOR RAIN.

SHORT TERM...TONIGHT THROUGH FRIDAY...
THE LATEST SURFACE ANALYSIS INDICATED A FRONT FROM CHI-GBG TO A
LOW NEAR UIN. THIS WAVE WILL MOVE ALONG THE FRONT EARLY THIS EVENING
ENHANCING RAINFALL WEST OF THE IL RIVER. MOST OF RAIN IS
POST-FRONTAL WITH LIGHT SHOWERS AND EMBEDDED T-STORMS. A PRE-FRONTAL
TROF NEAR I-57 AND BETTER INSTABILITY WILL ALSO FOCUS SCATTERED
T-STORMS THIS EVENING...WITH MORE WIDESPREAD RAIN ANTICIPATED LATER
IN THE EVENING AND OVERNIGHT. WITH THE HOT AND HUMID AIR IN PLACE
OVER SOUTHEAST IL AND PARTLY CLOUDY CONDITIONS ANTICIPATED EARLY IN
THE EVENING...WILL KEEP THE HEAT ADVISORY GOING SOUTH OF I-70 UNTIL
7 PM.

THE COLD FRONT IS EXPECTED TO MOVE THROUGH SE IL BY WED MORNING.
SCATTERED POST-FRONTAL SHOWERS ARE EXPECTED TO CONTINUE SOUTHEAST OF
A SHELBYVILLE-DANVILLE LINE DURING THE MORNING...AND SOUTH OF I-70
INTO EARLY AFTERNOON. THE REST OF THE FORECAST AREA WILL ENJOY MUCH
COOLER CONDITIONS WITH TEMPERATURES IN THE UPPER 70S WEDNESDAY
AFTERNOON. HIGH PRESSURE RIDGING ACROSS THE STATE ON THURSDAY WILL
RESULT IN DRY CONDITIONS AND TEMPS IN THE LOWER 80S.

AN UPPER TROF IS EXPECTED TO SWING DOWN INTO THE UPPER MIDWEST LATER
ON THURSDAY...BRINGING A WEAK COLD FRONT TOWARD NORTHERN IL BY
EVENING. AS THIS FRONT SLOWLY APPROACHES NW AND NCENT IL FRIDAY...
THERE COULD BE A FEW SHOWERS WITH THIS. WILL LEAVE OUT A MENTION IN
THE ZONE FORECAST FOR NOW...BUT WILL PUT A 20 POP IN THE GRIDS NORTH
OF A CANTON-PIA-EL PASO LINE. OTHERWISE...TEMPS TYPICAL FOR LATE
JULY AND A FEW CLOUDS ARE ANTICIPATED.

LONG TERM...SATURDAY THROUGH TUESDAY...
HIGH PRESSURE AND AN EASTERLY FLOW WILL KEEP THE WEATHER DRY AND
TEMPS AT OR JUST ABOVE SEASONAL NORMALS THROUGH THE WEEKEND AND INTO
EARLY NEXT WEEK. THE EXCEPTION MAY BE SOUTH OF I-70 WHERE PART OF A
WEAK UPPER TROF NEARLY STATIONARY IN THE TN VALLEY MAY RESULT IN
MORE CLOUDS AND SCTD SHOWERS IN SOUTHERN IL MON AND TUE AFTERNOONS.
AT THIS TIME IT LOOKS LIKE THEY MAY STAY FAR ENOUGH TO SOUTH OF THE
FORECAST AREA...SO WILL LEAVE OUT OF THE FORECAST AND GRIDS FOR NOW.

&&

.ILX WATCHES/WARNINGS/ADVISORIES...
IL...NONE.

AUTEN/MILLER
Hazardous weather outlook, Jul 26, 11:15 AM CDT, 9 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
1115 AM CDT TUE JUL 26 2005

ILZ062-063-066>068-071>073-271100-
CLARK-CLAY-CRAWFORD-CUMBERLAND-EFFINGHAM-JASPER-LAWRENCE-RICHLAND-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA AND LAWRENCEVILLE
1116 AM CDT TUE JUL 26 2005

...HEAT ADVISORY IN EFFECT UNTIL 7 PM THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT...

HIGH TEMPERATURES IN THE MIDDLE TO UPPER 90S WILL COMBINE WITH A VERY
MOIST AIRMASS TO PRODUCE HEAT INDEX VALUES BETWEEN 105 AND 110 THIS
AFTERNOON. THIS WILL PRODUCE DANGEROUS HEAT CONDITIONS OVER MUCH OF
SOUTHEASTERN ILLINOIS TODAY.

A COLD FRONT WILL PUSH INTO THE AREA THIS AFTERNOON...BRINGING THE
THREAT FOR THUNDERSTORMS LATE THIS AFTERNOON AND INTO THE OVERNIGHT
HOURS. SOME OF THE STORMS MAY BECOME SEVERE LATE THIS AFTERNOON AND
TONIGHT...WITH THE MAIN SEVERE THREAT BEING DAMAGING WINDS AND VERY
HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

THE CHANCE FOR THUNDERSTORMS WILL LINGER INTO EARLY WEDNESDAY...BUT
THESE STORMS ARE NOT EXPECTED TO BE SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND TONIGHT.

ILZ027>031-036>038-040>057-061-271100-
CASS-CHAMPAIGN-CHRISTIAN-COLES-DE WITT-DOUGLAS-EDGAR-FULTON-KNOX-
LOGAN-MACON-MARSHALL-MASON-MCLEAN-MENARD-MORGAN-MOULTRIE-PEORIA-
PIATT-SANGAMON-SCHUYLER-SCOTT-SHELBY-STARK-TAZEWELL-VERMILION-
WOODFORD-
INCLUDING THE CITIES OF...BLOOMINGTON...CHAMPAIGN...DANVILLE...
DECATUR...GALESBURG...HAVANA...JACKSONVILLE...LINCOLN...MATTOON...
PEORIA...SHELBYVILLE...SPRINGFIELD AND TAYLORVILLE
1116 AM CDT TUE JUL 26 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND SOUTHEAST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT...

A COLD FRONT WILL PUSH INTO THE AREA TODAY...BRINGING THE THREAT FOR
THUNDERSTORMS THIS AFTERNOON THAT WILL LAST INTO THE OVERNIGHT HOURS.
SOME OF THE STORMS MAY BECOME SEVERE THIS AFTERNOON AND
TONIGHT...WITH THE MAIN SEVERE THREAT BEING DAMAGING WINDS AND VERY
HEAVY RAINFALL. THE HIGHEST RISK FOR SEVERE WEATHER WILL BE FROM
MIDDAY INTO THE EVENING HOURS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND TONIGHT.

&&
THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC AND CLIMATE
INFORMATION...IS AVAILABLE ON THE WEB AT:

HTTP://WWW.WEATHER.GOV/LINCOLN. THIS ADDRESS IS ALL IN LOWER CASE.

In the hours before

Local storm report, Jul 26, 6:54 PM CDT, 2 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
654 PM CDT TUE JUL 26 2005

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

0640 PM     TSTM WND DMG     MONTICELLO              40.03N 88.57W
07/26/2005                   PIATT              IL   LAW ENFORCEMENT

            LARGE TREE BRANCH DOWN ACROSS ROAD.

&&

MILLER
Local storm report, Jul 26, 7:05 PM CDT, 1 hour 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
705 PM CDT TUE JUL 26 2005

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

0702 PM     TORNADO          URBANA                  40.11N 88.21W
07/26/2005                   CHAMPAIGN          IL   LAW ENFORCEMENT

            TORNADO AT THE INTERSECTION OF ROUTE 130 AND HIGHWAY 150.
            REPORTED BY THE URBANA POLICE DEPARTMENT.

&&

MILLER
Local storm report, Jul 26, 7:55 PM CDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
755 PM CDT TUE JUL 26 2005

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

0535 PM     TSTM WND DMG     BLOOMINGTON             40.48N 88.97W
07/26/2005                   MCLEAN             IL   LAW ENFORCEMENT

            POWER LINES BLOWN DOWN. REPORTED BY COUNTY SHERIFF.

&&

MILLER
Local storm report, Jul 26, 8:00 PM CDT, 1 hour 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
800 PM CDT TUE JUL 26 2005

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

0640 PM     TSTM WND DMG     MONTICELLO              40.03N 88.57W
07/26/2005                   PIATT              IL   LAW ENFORCEMENT

            TREE BLOWN DOWN ACROSS RAILROAD TRACKS. REPORTED BY
            COUNTY SHERIFF.

0620 PM     TSTM WND DMG     DECATUR                 39.85N 88.93W
07/26/2005                   MACON              IL   LAW ENFORCEMENT

            TREE LIMBS BLOWN DOWN. REPORTED BY THE COUNTY SHERIFF.

&&

MILLER
Local storm report, Jul 26, 8:37 PM CDT, 27 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LINCOLN IL
837 PM CDT TUE JUL 26 2005

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

0431 PM     TSTM WND GST     MORTON                  40.61N 89.47W
07/26/2005  60 MPH           TAZEWELL           IL   NWS EMPLOYEE

0431 PM     TSTM WND DMG     MORTON                  40.61N 89.47W
07/26/2005                   TAZEWELL           IL   NWS EMPLOYEE

            LARGE TREE LIMBS DOWN.

0440 PM     TSTM WND GST     3 N MACKINAW            40.58N 89.36W
07/26/2005  60 MPH           TAZEWELL           IL   CO-OP OBSERVER

            1 FOOT DIAMTER TREES DOWN ON DEE-MACK ROAD.

0535 PM     TSTM WND DMG     BLOOMINGTON             40.48N 88.97W
07/26/2005                   MCLEAN             IL   LAW ENFORCEMENT

            POWER LINES BLOWN DOWN. REPORTED BY COUNTY SHERIFF.

0620 PM     TSTM WND DMG     DECATUR                 39.85N 88.93W
07/26/2005                   MACON              IL   LAW ENFORCEMENT

            TREE LIMBS BLOWN DOWN. REPORTED BY THE COUNTY SHERIFF.

0640 PM     TSTM WND DMG     MONTICELLO              40.03N 88.57W
07/26/2005                   PIATT              IL   LAW ENFORCEMENT

            LARGE TREE BRANCH DOWN ACROSS ROAD.

0640 PM     TSTM WND DMG     MONTICELLO              40.03N 88.57W
07/26/2005                   PIATT              IL   LAW ENFORCEMENT

            TREE BLOWN DOWN ACROSS RAILROAD TRACKS. REPORTED BY
            COUNTY SHERIFF.

0641 PM     TSTM WND DMG     THOMASBORO              40.24N 88.19W
07/26/2005                   CHAMPAIGN          IL   EMERGENCY MNGR

            ROOF BLOWN OFF OF HOUSE IN SOUTH SIDE OF TOWN.

&&

MILLER
Local storm report, Jul 26, 8:51 PM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
851 PM CDT TUE JUL 26 2005

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

0820 PM     TSTM WND DMG     SHELBYVILLE             39.41N 88.80W
07/26/2005                   SHELBY             IL   CO-OP OBSERVER

            TREE LIMBS BLOWN DOWN.

0725 PM     TSTM WND GST     FITHIAN                 40.11N 87.87W
07/26/2005  58 MPH           VERMILION          IL   TRAINED SPOTTER

&&

MILLER

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 7:05 PM CDTTornado WarningILXChampaign22 min
Jul 26, 7:17 PM CDTTornado WarningILXVermilion20 min
Jul 26, 7:36 PM CDTSevere Thunderstorm WarningILXMoultrie, Shelby39 min
Jul 26, 8:40 PM CDTSevere Thunderstorm WarningILXEdgar50 min
Jul 26, 8:45 PM CDTSevere Thunderstorm WarningILXColes, Cumberland45 min
Jul 26, 8:50 PM CDTSevere Thunderstorm WarningILXEffingham, Jasper56 min
Jul 26, 9:21 PM CDTSevere Thunderstorm WarningILXClay39 min
Jul 26, 9:43 PM CDTSevere Thunderstorm WarningILXCrawford, Lawrence, Richland48 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2005Every severe thunderstorm warning in 2005

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.