Alert archive / Illinois / Flash Flood Watches in 2015
Flash Flood Watch 5, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood watch at Jun 18, 2015, 3:19 PM CDT for 6 counties in Illinois. It took effect at Jun 18, 2015, 7:00 PM CDT. It was in force for 32 hr.
The area
The counties it named.
The facts
- Issued
- Jun 18, 2015, 3:19 PM CDT (20:19 UTC)
- In effect from
- Jun 18, 2015, 7:00 PM CDT
- Expired
- Jun 20, 2015, 2:40 AM CDT
- In force
- 32 hr
- Issued by
- NWS Lincoln, IL
- Flood severity
- None
Counties Clay County, IL, Crawford County, IL, Effingham County, IL, Jasper County, IL, Lawrence County, IL, Richland County, IL
The radar
The Evansville,IN radar (KVWX), 77 km from the middle of the area, began a volume at 20:18 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
Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 147 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.
- Mixed-layer CAPE
- 515 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Jun 18, 3:17 PM CDT, 2 minutes earlier.
Area forecast discussion, Jun 18, 3:17 PM CDT, 2 minutes before
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</html>Hazardous weather outlook, Jun 18, 10:57 AM CDT, 4 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LINCOLN IL 1057 AM CDT THU JUN 18 2015 ILZ027>031-036>038-040>043-047>051-191100- CASS-DE WITT-FULTON-KNOX-LOGAN-MARSHALL-MASON-MCLEAN-MENARD- MORGAN-PEORIA-SANGAMON-SCHUYLER-SCOTT-STARK-TAZEWELL-WOODFORD- 1057 AM CDT THU JUN 18 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS...NORTH CENTRAL ILLINOIS AND WEST CENTRAL ILLINOIS. .DAY ONE...TODAY AND TONIGHT WIDELY SCATTERED TO SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE AREA THIS AFTERNOON AS A WEAK COLD FRONT SHIFTS SOUTH INTO THE AREA. ALTHOUGH NO ORGANIZED SEVERE WEATHER IS ANTICIPATED THROUGH TONIGHT...A FEW OF THE STORMS WILL BE CAPABLE OF PRODUCING STRONG WIND GUSTS ALONG WITH TORRENTIAL RAINFALL... ESPECIALLY THIS AFTERNOON INTO EARLY THIS EVENING UNTIL SUNSET. MODERATE FLOODING...WITH A FORECAST OF MAJOR FLOODING AT HAVANA THIS WEEKEND...WILL CONTINUE ALONG THE ILLINOIS RIVER...WHILE MINOR FLOODING CONTINUES ALONG THE SANGAMON AND SPOON RIVERS FOR THE NEXT SEVERAL DAYS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY PERIODIC THUNDERSTORM CHANCES WILL CONTINUE FRIDAY INTO AT LEAST TUESDAY OF NEXT WEEK. A FEW OF THE STORMS SATURDAY NIGHT MAY APPROACH SEVERE LIMITS IN AREAS ALONG AND NORTH OF I-74. OTHERWISE...THE THUNDERSTORMS DURING THE AFTERNOON AND EVENING HOURS WILL BE CAPABLE OF PRODUCING ISOLATED STRONG WIND GUSTS...ALONG WITH TORRENTIAL RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. SPOTTERS ARE ENCOURAGED TO REPORT ANY STRONG WIND GUSTS AND RAINFALL AMOUNTS IN EXCESS OF 1 INCH...OR ANY FLOODING TO THE NATIONAL WEATHER SERVICE. ILZ044>046-052>057-061>063-191100- CHAMPAIGN-CHRISTIAN-CLARK-COLES-CUMBERLAND-DOUGLAS-EDGAR-MACON- MOULTRIE-PIATT-SHELBY-VERMILION- 1057 AM CDT THU JUN 18 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL ILLINOIS AND EAST CENTRAL ILLINOIS. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE AREA THE REST OF TODAY AS A WEAK COLD FRONT SHIFTS SOUTH INTO CENTRAL AND EAST CENTRAL ILLINOIS. A FEW OF THE STORMS THIS AFTERNOON INTO EARLY THIS EVENING UNTIL SUNSET MAY APPROACH SEVERE LIMITS WITH STRONG WIND GUSTS THE PRIMARY CONCERN...ALONG WITH TORRENTIAL RAINFALL. MINOR FLOODING WILL CONTINUE ALONG THE SANGAMON...WABASH AND LITTLE WABASH BASINS FOR THE NEXT SEVERAL DAYS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY PERIODIC THUNDERSTORM CHANCES WILL CONTINUE FRIDAY INTO EARLY NEXT WEEK. A FEW OF THE STORMS DURING THE AFTERNOON AND EVENING HOURS WILL BE CAPABLE OF PRODUCING STRONG WIND GUSTS...ALONG WITH TORRENTIAL RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED OVER EXTREME EASTERN ILLINOIS NEAR THE INDIANA BORDER FROM MID AFTERNOON INTO EARLY EVENING. SPOTTERS ARE ENCOURAGED TO REPORT STRONG WIND GUSTS AND ANY HEAVY RAINFALL OF OVER 1 INCH...OR ANY FLOODING TO THE NATIONAL WEATHER SERVICE. ILZ066>068-071>073-191100- CLAY-CRAWFORD-EFFINGHAM-JASPER-LAWRENCE-RICHLAND- 1057 AM CDT THU JUN 18 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL ILLINOIS...SOUTH CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL LIKELY DEVELOP THE REST OF TODAY ACROSS SOUTHEAST ILLINOIS AS A WEAK COLD FRONT SHIFTS SOUTH INTO SOUTH CENTRAL AND SOUTHEAST ILLINOIS. A FEW OF THE STORMS THIS AFTERNOON INTO EARLY THIS EVENING UNTIL SUNSET MAY APPROACH SEVERE LIMITS WITH STRONG WIND GUSTS THE PRIMARY CONCERN...ALONG WITH TORRENTIAL RAINFALL. AS THE REMNANTS OF WHAT WAS ONCE TROPICAL STORM BILL APPROACH THE AREA LATER TONIGHT...LOOK FOR MORE WIDESPREAD SHOWERS AND THUNDERSTORMS TO ENCOMPASS MOST OF THE AREA. AT THIS TIME...NO SEVERE WEATHER IS ANTICIPATED...BUT LOCALLY HEAVY RAINFALL WILL BE LIKELY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ON FRIDAY INTO SATURDAY MORNING...WITH THE REMNANTS OF BILL EXPECTED TO TRACK SOUTH OF THE AREA...SO WILL THE EXCESSIVE RAINFALL TOTALS ASSOCIATED WITH THE SYSTEM. HOWEVER...IN OUR AREA...WE COULD EASILY SEE FROM 1.50 INCHES TO 2.50 INCHES BY THE TIME THE SYSTEM SHIFTS OFF TO OUR EAST SATURDAY AFTERNOON ENHANCING THE THREAT FOR LOCALIZED FLASH FLOODING AND RIVER FLOODING. PERIODIC THUNDERSTORM CHANCES WILL CONTINUE SUNDAY INTO AT LEAST TUESDAY OF NEXT WEEK. A FEW OF THE STORMS DURING THE AFTERNOON AND EARLY EVENING HOURS MAY PRODUCE STRONG WIND GUSTS...HOWEVER... THE GREATER THREAT WILL BE WITH THE POTENTIAL FOR ADDITIONAL HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED NEAR THE WABASH RIVER FROM MID AFTERNOON INTO EARLY THIS EVENING. SPOTTERS ARE ENCOURAGED TO REPORT STRONG WIND GUSTS AND ANY HEAVY RAINFALL OF OVER 1 INCH...OR ANY FLOODING TO THE NATIONAL WEATHER SERVICE. 07
In the hours before
Special weather statement, Jun 18, 11:12 AM CDT, 4 hours 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1112 AM CDT THU JUN 18 2015
ILZ050>052-181700-
SANGAMON-CHRISTIAN-MORGAN-
1112 AM CDT THU JUN 18 2015
...A STRONG THUNDERSTORM WILL AFFECT SANGAMON AND NORTHWESTERN
CHRISTIAN COUNTIES...
AT 1110 AM CDT...A STRONG THUNDERSTORM WAS OVER CHATHAM...OR 9 MILES
SOUTH OF SPRINGFIELD...MOVING NORTHEAST AT 40 MPH. AUBURN IN
SOUTHERN SANGAMON COUNTY HAD A 45 MPH WIND GUST AT 11 AM.
WIND GUSTS OF 45 TO 55 MPH ARE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
SPRINGFIELD...CHATHAM...AUBURN...SHERMAN...ROCHESTER...RIVERTON...
PAWNEE...KINCAID...WAVERLY...DIVERNON...EDINBURG...LOAMI...
MECHANICSBURG...MOUNT AUBURN...BULPITT...JEROME...SOUTHERN VIEW...
LELAND GROVE...GRANDVIEW AND SPAULDING.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 55 BETWEEN MILE MARKERS 77 AND 103.
INTERSTATE 72 BETWEEN MILE MARKERS 91 AND 121.
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS. CLOUD TO GROUND LIGHTNING IS ALSO BEING REPORTED WITH THIS
STORM AND COULD BECOME MORE FREQUENT.
THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
LAT...LON 3996 8951 3995 8949 3994 8948 3994 8947
3976 8915 3953 8951 3952 8953 3952 8993
3963 8995
TIME...MOT...LOC 1610Z 233DEG 36KT 3964 8970
07Special weather statement, Jun 18, 12:29 PM CDT, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 1229 PM CDT THU JUN 18 2015 ILZ044-045-053>056-181800- PIATT-CHAMPAIGN-COLES-MACON-MOULTRIE-DOUGLAS- 1229 PM CDT THU JUN 18 2015 ...A LINE OF STRONG THUNDERSTORMS WILL AFFECT PIATT...EASTERN MACON...MOULTRIE...DOUGLAS AND SOUTHWESTERN CHAMPAIGN COUNTIES... AT 1228 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE EXTENDING FROM NEAR FORSYTH TO 5 MILES SOUTH OF ARTHUR...AND MOVING NORTHEAST AT 50 MPH. DECATUR AIRPORT MEASURED A WIND GUSTS OF 48 MPH AT 1216 PM. WIND GUSTS OF 50 TO 55 MPH ARE POSSIBLE WITH THESE STORMS. LOCATIONS IMPACTED INCLUDE... DECATUR...MONTICELLO...TUSCOLA...SULLIVAN...MOUNT ZION...FORSYTH... TOLONO...ARCOLA...VILLA GROVE...ARTHUR...BEMENT...CERRO GORDO... BETHANY...LONG CREEK...ATWOOD...LOVINGTON...ARGENTA...OREANA...NEWMAN AND PESOTUM. THIS INCLUDES THE FOLLOWING HIGHWAYS... INTERSTATE 57 BETWEEN MILE MARKERS 204 AND 225. INTERSTATE 72 NEAR MILE MARKER 135...AND BETWEEN MILE MARKERS 141 AND 169. TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. LAT...LON 3956 8860 3986 8905 4013 8862 3982 8794 TIME...MOT...LOC 1728Z 258DEG 54KT 3988 8900 3964 8850 07
Special weather statement, Jun 18, 1:10 PM CDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
110 PM CDT THU JUN 18 2015
ILZ045-046-181915-
CHAMPAIGN-VERMILION-
110 PM CDT THU JUN 18 2015
...SIGNIFICANT WEATHER ADVISORY FOR VERMILION AND NORTHEASTERN
CHAMPAIGN COUNTIES UNTIL 215 PM CDT...
AT 109 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
ST. JOSEPH...OR 5 MILES EAST OF URBANA...MOVING NORTHEAST AT 40 MPH.
WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
CHAMPAIGN...URBANA...DANVILLE...RANTOUL...HOOPESTON...ST. JOSEPH...
GEORGETOWN...WESTVILLE...TILTON...CATLIN...OAKWOOD...ROSSVILLE...
HOMER...THOMASBORO...GIFFORD...OGDEN...POTOMAC...FAIRMOUNT...RANKIN
AND FITHIAN.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 57 BETWEEN MILE MARKERS 236 AND 257.
INTERSTATE 74 BETWEEN MILE MARKERS 178 AND 220.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN LINCOLN.
&&
LAT...LON 3992 8754 4013 8833 4040 8815 4040 8794
4048 8793 4049 8753 4009 8753
TIME...MOT...LOC 1809Z 228DEG 35KT 4010 8810
AUTENThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:21 AM CDT | Special Weather Statement | ILX | Marshall | 39 min |
| Jun 18, 11:12 AM CDT | Special Weather Statement | ILX | Sangamon | 48 min |
| Jun 18, 12:29 PM CDT | Special Weather Statement | ILX | Douglas, Macon, Moultrie, Piatt | 31 min |
| Jun 18, 1:10 PM CDT | Special Weather Statement | ILX | Champaign, Vermilion | 65 min |
| Jun 18, 2:53 PM CDT | Flash Flood Warning | ILX | McLean, Woodford | 3 hr |
Nearby
Flash Flood Watches in Illinois, 2015Every flash flood watch 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.