Alert archive / Missouri / Tornado Warnings in 2015

Tornado Warning 25, NWS St. Louis, MO

June 28, 2015Pike County, Illinois; Pike County, Ralls County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 28, 2015, 4:37 PM CDT for Pike County, Illinois; Pike County, Ralls County, Missouri. It was in force for 23 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: Jun 28, 2015, 4:37 PM CDT (21:37 UTC)
Expired: Jun 28, 2015, 5:00 PM CDT
In force: 23 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Pike County, IL, Pike County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 115 km from the middle of the area, began a volume at 21:39 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 28, 3:03 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.6 hours before the alert went out and 227 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1671 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

372 
WFUS53 KLSX 282137
TORLSX
ILC149-MOC163-173-282200-
/O.NEW.KLSX.TO.W.0025.150628T2137Z-150628T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
437 PM CDT SUN JUN 28 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL PIKE COUNTY IN WEST CENTRAL ILLINOIS...
  NORTH CENTRAL PIKE COUNTY IN NORTHEAST MISSOURI...
  NORTHEASTERN RALLS COUNTY IN NORTHEAST MISSOURI...

* UNTIL 500 PM CDT

* AT 435 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR HANNIBAL...AND MOVING EAST AT 30 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED ROTATION.

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
           TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
           LIKELY.

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTH
  CENTRAL PIKE...NORTHEASTERN RALLS AND WEST CENTRAL PIKE COUNTIES...
  INCLUDING THE FOLLOWING LOCATIONS...SAVERTON...NEW CANTON AND
  ASHBURN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3966 9092 3946 9099 3961 9147 3969 9141
      3969 9131 3971 9135 3973 9137
TIME...MOT...LOC 2137Z 291DEG 27KT 3967 9135

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

GLASS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 4:04 PM CDT	Tornado Warning	LSX	Pike	26 min
Jun 28, 5:05 PM CDT	Severe Thunderstorm Warning	LSX	Pike	40 min
Jun 28, 6:29 PM CDT	Tornado Warning Tornado observed	LSX	Calhoun	31 min
Jun 28, 4:22 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Callaway	38 min
Jun 28, 4:43 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Pike, Ralls	47 min
Jun 28, 4:51 PM CDT	Tornado Warning	LSX	Monroe, Pike, Ralls	24 min
Jun 28, 4:55 PM CDT	Tornado Warning	LSX	Audrain, Callaway, Montgomery	39 min
Jun 28, 4:56 PM CDT	Severe Thunderstorm Warning	LSX	Marion, Shelby	49 min
Jun 28, 5:01 PM CDT	Severe Thunderstorm Warning	LSX	Cole, Moniteau	20 min
Jun 28, 5:07 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Osage	38 min
Jun 28, 5:30 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Franklin, Gasconade, Montgomery, Warren	45 min
Jun 28, 5:32 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Gasconade, Montgomery, Osage	43 min
Jun 28, 5:45 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Gasconade, Osage	31 min
Jun 28, 5:48 PM CDT	Tornado Warning	LSX	Callaway	27 min
Jun 28, 5:53 PM CDT	Tornado Warning	LSX	Callaway, Gasconade, Montgomery	37 min
Jun 28, 6:06 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Pike	39 min
Jun 28, 6:08 PM CDT	Tornado Warning	LSX	Callaway, Osage	13 min
Jun 28, 6:11 PM CDT	Tornado Warning	LSX	Gasconade, Montgomery	20 min
Jun 28, 6:14 PM CDT	Tornado Warning	LSX	Lincoln, Pike	31 min
Jun 28, 6:45 PM CDT	Severe Thunderstorm Warning	LSX	Franklin	40 min

Nearby

Tornado Warnings in Missouri, 2015 Tornado Warnings in Illinois, 2015 Every tornado warning in 2015 Tornadoes 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.