Alert archive / Illinois / Tornado Warnings in 2016

Tornado Warning 27, NWS Quad Cities, IA

July 28, 2016Jo Daviess County, Stephenson County, Illinois

NWS Quad Cities, IA issued this tornado warning at Jul 28, 2016, 2:58 PM CDT for Jo Daviess County, Stephenson County, Illinois. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 28, 2016, 2:58 PM CDT (19:58 UTC)
Expired
Jul 28, 2016, 3:30 PM CDT
In force
32 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Jo Daviess County, IL, Stephenson County, IL

The radar

The Quad Cities radar (KDVN), 113 km from the middle of the area, began a volume at 19:58 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

Davenport, (KDVN), launched 12:00Z, 8.0 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, Davenport, at 12:00Z on 2016-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 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, Davenport, at 12:00Z on 2016-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.1939Sfc1 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
262 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
1039 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

106 
WFUS53 KDVN 281958
TORDVN
ILC085-177-282030-
/O.NEW.KDVN.TO.W.0027.160728T1958Z-160728T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
258 PM CDT THU JUL 28 2016

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN JO DAVIESS COUNTY IN NORTHWESTERN ILLINOIS...
  NORTHWESTERN STEPHENSON COUNTY IN NORTHWESTERN ILLINOIS...

* UNTIL 330 PM CDT
    
* AT 257 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER NORA...OR 15 MILES SOUTHWEST OF
  MONROE...MOVING SOUTHEAST AT 15 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES. 

* THIS DANGEROUS STORM WILL BE NEAR...
  WINSLOW AROUND 315 PM CDT. 
  LENA AROUND 320 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
WADDAMS GROVE...LAKE LE-AQUA-
NA STATE PARK AND JO DAVIESS COUNTY FAIRGROUNDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE QUAD CITIES.

&&

LAT...LON 4249 8978 4248 8976 4242 8977 4238 8987
      4251 9008 4251 8991
TIME...MOT...LOC 1957Z 298DEG 15KT 4248 8991 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

GIBBS
3 follow-up statements
655 
WWUS53 KDVN 282012
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
312 PM CDT THU JUL 28 2016

ILC085-177-282030-
/O.CON.KDVN.TO.W.0027.000000T0000Z-160728T2030Z/
JO DAVIESS IL-STEPHENSON IL-
312 PM CDT THU JUL 28 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
NORTHEASTERN JO DAVIESS AND NORTHWESTERN STEPHENSON COUNTIES...
    
AT 311 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR NORA...OR 16 MILES NORTHWEST OF FREEPORT...MOVING
SOUTHEAST AT 20 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES. 

THIS DANGEROUS STORM WILL BE NEAR...
  LENA AROUND 325 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
WADDAMS GROVE...LAKE LE-AQUA-NA STATE PARK AND JO DAVIESS COUNTY
FAIRGROUNDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4242 8977 4238 8987 4251 9008 4251 8990
TIME...MOT...LOC 2011Z 318DEG 18KT 4243 8989 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

GIBBS
746 
WWUS53 KDVN 282019
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
319 PM CDT THU JUL 28 2016

ILC085-282029-
/O.CAN.KDVN.TO.W.0027.000000T0000Z-160728T2030Z/
JO DAVIESS IL-
319 PM CDT THU JUL 28 2016

...THE TORNADO WARNING FOR NORTHEASTERN JO DAVIESS COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS  MOVED OUT
OF THE WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4242 8977 4238 8987 4241 8993 4251 8993
      4251 8989
TIME...MOT...LOC 2019Z 314DEG 17KT 4242 8985 

$$

ILC177-282030-
/O.CON.KDVN.TO.W.0027.000000T0000Z-160728T2030Z/
STEPHENSON IL-
319 PM CDT THU JUL 28 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
NORTHWESTERN STEPHENSON COUNTY...
    
AT 319 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER LENA...OR 14 MILES NORTHWEST OF FREEPORT...MOVING
SOUTHEAST AT 20 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...EXPECT DAMAGE TO MOBILE HOMES...ROOFS...AND VEHICLES. 

THIS DANGEROUS STORM WILL BE NEAR...
  LENA AROUND 325 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
WADDAMS GROVE AND LAKE LE-AQUA-NA STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

IF A TORNADO OR OTHER SEVERE WEATHER IS SPOTTED...REPORT IT TO THE
NATIONAL WEATHER SERVICE OR YOUR LOCAL NEAREST LAW ENFORCEMENT AGENCY
WHO WILL SEND YOUR REPORT. THIS ACT MAY SAVE LIVES OF OTHERS IN THE
PATH OF DANGEROUS WEATHER.

&&

LAT...LON 4242 8977 4238 8987 4241 8993 4251 8993
      4251 8989
TIME...MOT...LOC 2019Z 314DEG 17KT 4242 8985 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

GIBBS
287 
WWUS53 KDVN 282027
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
327 PM CDT THU JUL 28 2016

ILC177-282036-
/O.EXP.KDVN.TO.W.0027.000000T0000Z-160728T2030Z/
STEPHENSON IL-
327 PM CDT THU JUL 28 2016

...THE TORNADO WARNING FOR NORTHWESTERN STEPHENSON COUNTY WILL EXPIRE
AT 330 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.  BRIEF
FUNNEL CLOUDS ARE ALSO POSSIBLE WITH THESE STORMS.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
THE QUAD CITIES.

LAT...LON 4242 8977 4238 8987 4241 8993 4251 8993
      4251 8989
TIME...MOT...LOC 2025Z 298DEG 15KT 4242 8985 

$$

GIBBS

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 12:04 PM CDTSpecial Weather StatementDVNJo Daviess, Stephenson116 min
Jul 28, 12:06 PM CDTSpecial Weather StatementDVNJo Daviess, Stephenson114 min
Jul 28, 12:59 PM CDTSpecial Weather StatementDVNBureau, Carroll, Henry, Putnam, Whiteside3 hr
Jul 28, 1:14 PM CDTSpecial Weather StatementDVNHenry46 min
Jul 28, 1:17 PM CDTSpecial Weather StatementDVNHancock, McDonough58 min
Jul 28, 1:53 PM CDTSpecial Weather StatementDVNPutnam37 min
Jul 28, 2:53 PM CDTSpecial Weather StatementDVNStephenson67 min
Jul 28, 5:42 PM CDTSpecial Weather StatementDVNLee48 min

Nearby

Tornado Warnings in Illinois, 2016Every tornado warning in 2016Tornadoes in 2016

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.