Alert archive / Illinois / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 130, NWS Lincoln, IL

July 26, 2005Macon County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 26, 2005, 6:09 PM CDT for Macon County, Illinois. It was in force for 52 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, 6:09 PM CDT (23:09 UTC)
Expired
Jul 26, 2005, 7:01 PM CDT
In force
52 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Macon County, IL

The radar

The Lincoln radar (KILX), 38 km from the middle of the area, began a volume at 23:09 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, 6:20 PM CDTTSTM WND DMGDecatur, ILTREE LIMBS BLOWN DOWN. REPORTED BY THE COUNTY SHERIFF.

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 11 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 nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.2 hours before the alert went out and 46 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 12:00Z on 2005-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1648 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 12:00Z on 2005-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
1648 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.5
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 262308
SVRILX
ILC115-270015-
/O.NEW.KILX.SV.W.0130.050726T2309Z-050727T0015Z/

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MACON COUNTY IN CENTRAL ILLINOIS

* UNTIL 715 PM CDT

* AT 604 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 NEAR NIANTIC...OR ABOUT 12 MILES
  WEST OF DECATUR...AND WAS MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DECATUR
  FORSYTH
  MOUNT ZION
  OREANA
  LONG CREEK
  ARGENTA

OTHER LOCATIONS IN THE WARNING INCLUDE...HARRISTOWN...WARRENSBURG AND
ELWIN.

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 4005 8881 3975 8885 3978 8908 3979 8914
      3982 8918 3982 8922 3991 8922 3992 8914
      3999 8914 4005 8881

$$

HJS
2 follow-up statements
000 
WWUS53 KILX 262329
SVSILX

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

ILC115-270015-
/O.CON.KILX.SV.W.0130.000000T0000Z-050727T0015Z/
MACON-
629 PM CDT TUE JUL 26 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 715 PM CDT FOR
CENTRAL MACON COUNTY...

AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR OREANA...OR ABOUT 6
MILES NORTHEAST OF DECATUR...MOVING EAST AT 45 MPH.

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 3993 8882 3982 8883 3982 8905 3983 8908
      3984 8908 3987 8909 3990 8911 3993 8910
      3997 8905 3997 8885

$$

HJS
000 
WWUS53 KILX 270001
SVSILX

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

ILC115-270011-
/O.CAN.KILX.SV.W.0130.000000T0000Z-050727T0015Z/
MACON-
701 PM CDT TUE JUL 26 2005

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MACON COUNTY HAS BEEN
CANCELLED...

AT 658 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD WEAKENED...THUS
THE WARNING HAS BEEN CANCELLED.

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 3993 8882 3982 8883 3982 8905 3983 8908
      3984 8908 3987 8909 3990 8911 3993 8910
      3997 8905 3997 8885

$$

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, 3:04 PM CDT, 3 hours 5 minutes earlier.

Area forecast discussion, Jul 26, 3:04 PM CDT, 3 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
305 PM CDT TUE JULY 26 2005

.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...HEAT ADVISORY THROUGH 7 PM THIS EVENING FOR SOUTHEAST ILLINOIS
     ALONG AND SOUTH OF I-70.

MILLER
Hazardous weather outlook, Jul 26, 11:15 AM CDT, 6 hours 54 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, 4:38 PM CDT, 1 hour 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
438 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

&&

HARDIMAN
Local storm report, Jul 26, 5:04 PM CDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
504 PM CDT TUE JUL 26 2005

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

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

            LARGE TREE LIMBS DOWN.

&&

HARDIMAN
Local storm report, Jul 26, 5:52 PM CDT, 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
552 PM CDT TUE JUL 26 2005

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

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.

&&

MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 4:14 PM CDTSevere Thunderstorm WarningILXPeoria, Tazewell35 min
Jul 26, 4:28 PM CDTTornado WarningILXTazewell21 min
Jul 26, 4:40 PM CDTTornado WarningILXWoodford31 min
Jul 26, 4:56 PM CDTSevere Thunderstorm WarningILXLogan, Mason, Tazewell29 min
Jul 26, 5:03 PM CDTSevere Thunderstorm WarningILXMcLean42 min
Jul 26, 6:25 PM CDTTornado WarningILXMacon, Piatt50 min
Jul 26, 6:35 PM CDTSevere Thunderstorm WarningILXChampaign45 min
Jul 26, 6:48 PM CDTSevere Thunderstorm WarningILXChampaign40 min
Jul 26, 6:59 PM CDTSevere Thunderstorm WarningILXVermilion46 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.