Alert archive / Missouri / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 4, NWS Springfield, MO
NWS Springfield, MO issued this severe thunderstorm warning at Jan 17, 2012, 3:53 AM CST for Maries County, Phelps County, Missouri. It was in force for 41 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
- Jan 17, 2012, 3:53 AM CST (09:53 UTC)
- Expired
- Jan 17, 2012, 4:34 AM CST
- In force
- 41 min
- Issued by
- NWS Springfield, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Maries County, MO, Phelps County, MO
The radar
The St Louis radar (KLSX), 118 km from the middle of the area, began a volume at 09:54 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 17, 4:15 AM CST | HAIL 1 | 3 E Rolla, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 16, 11:47 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 9.9 hours before the alert went out and 222 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
- 3 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 1205 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 246 m²/s²
- 0-3 km storm-relative helicity
- 361 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
342
WUUS53 KSGF 170953
SVRSGF
MOC125-161-171045-
/O.NEW.KSGF.SV.W.0004.120117T0953Z-120117T1045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
353 AM CST TUE JAN 17 2012
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
PHELPS COUNTY IN EAST CENTRAL MISSOURI...
SOUTHEASTERN MARIES COUNTY IN CENTRAL MISSOURI...
* UNTIL 445 AM CST.
* AT 350 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES WEST OF
VICHY TO 9 MILES SOUTHWEST OF JEROME...MOVING EAST AT 55 MPH. THESE
STORMS ARE CAPABLE OF PRODUCING QUARTER SIZE HAIL.
* LOCATIONS IMPACTED INCLUDE DOOLITTLE...JEROME...NEWBURG...
NORTHWYE...ROLLA...ROSATI...ST. JAMES AND VICHY.
INTERSTATE 44 BETWEEN MILE MARKERS 169 AND 199 WILL ALSO BE IMPACTED
BY THESE STORMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE ARE DANGEROUS STORMS CAPABLE OF PRODUCING LARGE HAIL AND
DAMAGING WINDS...IF YOU ARE IN THEIR PATH SEEK SHELTER INDOORS AND
STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CST TUESDAY MORNING
FOR SOUTHERN MISSOURI.
&&
LAT...LON 3779 9157 3780 9202 3801 9202 3815 9191
3817 9164 3816 9163 3816 9153 3815 9151
3779 9152
TIME...MOT...LOC 0954Z 263DEG 48KT 3809 9181 3784 9201
WIND...HAIL <50MPH 1.00IN
$$
SCHAUMANN2 follow-up statements
843
WWUS53 KSGF 171017
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
417 AM CST TUE JAN 17 2012
MOC125-171026-
/O.CAN.KSGF.SV.W.0004.000000T0000Z-120117T1045Z/
MARIES MO-
417 AM CST TUE JAN 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARIES COUNTY IS
CANCELLED...
THE SEVERE STORMS HAVE PUSHED SOUTH AND EAST OF MARIES COUNTY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CST TUESDAY MORNING
FOR SOUTHERN MISSOURI.
&&
LAT...LON 3780 9202 3781 9202 3797 9176 3805 9167
3805 9163 3809 9163 3814 9159 3816 9153
3815 9151 3779 9152
TIME...MOT...LOC 1016Z 263DEG 48KT 3812 9144 3793 9160
3782 9183
$$
MOC161-171045-
/O.CON.KSGF.SV.W.0004.000000T0000Z-120117T1045Z/
PHELPS MO-
417 AM CST TUE JAN 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CST
FOR NORTHERN PHELPS COUNTY...
AT 414 AM CST...THE PUBLIC REPORTED SEVERE THUNDERSTORMS ALONG A LINE
EXTENDING FROM 7 MILES NORTHEAST OF ROSATI TO 5 MILES SOUTH OF ST.
JAMES TO 10 MILES SOUTHWEST OF ROLLA...MOVING EAST AT 55 MPH. THESE
STORMS ARE CAPABLE OF PRODUCING QUARTER SIZE HAIL. HAIL TO THE SIZE
OF QUARTERS HAS BEEN REPORTED JUST EAST OF ROLLA WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE ROLLA...ROSATI AND ST. JAMES.
INTERSTATE 44 BETWEEN MILE MARKERS 180 AND 199 WILL ALSO BE IMPACTED
BY THESE STORMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER INDOORS AND STAY AWAY FROM WINDOWS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CST TUESDAY MORNING
FOR SOUTHERN MISSOURI.
&&
LAT...LON 3780 9202 3781 9202 3797 9176 3805 9167
3805 9163 3809 9163 3814 9159 3816 9153
3815 9151 3779 9152
TIME...MOT...LOC 1016Z 263DEG 48KT 3812 9144 3793 9160
3782 9183
WIND...HAIL <50MPH 1.00IN
$$
SCHAUMANN337
WWUS53 KSGF 171034
SVSSGF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
434 AM CST TUE JAN 17 2012
MOC161-171044-
/O.CAN.KSGF.SV.W.0004.000000T0000Z-120117T1045Z/
PHELPS MO-
434 AM CST TUE JAN 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PHELPS COUNTY IS
CANCELLED...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE
THUNDERSTORMS THAT PROMPTED THE WARNING ARE EXITING THE WARNED
AREA...THUS THE WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CST TUESDAY MORNING
FOR SOUTHERN MISSOURI.
LAT...LON 3780 9202 3781 9202 3797 9176 3805 9167
3805 9163 3809 9163 3814 9159 3816 9153
3815 9151 3779 9152
TIME...MOT...LOC 1034Z 263DEG 48KT 3814 9113 3795 9130
3785 9153
$$
SCHAUMANNThe office that day
Everything else NWS Springfield, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 10:55 PM CST | Severe Thunderstorm Warning | SGF | Cedar, St. Clair | 25 min |
| Jan 16, 11:08 PM CST | Tornado Warning | SGF | Hickory, Polk, St. Clair | 35 min |
| Jan 16, 11:29 PM CST | Tornado Warning | SGF | Camden, Dallas | 46 min |
| Jan 16, 11:53 PM CST | Tornado Warning | SGF | Dallas, Hickory | 20 min |
| Jan 16, 11:58 PM CST | Tornado Warning | SGF | Miller | 47 min |
| Jan 17, 12:18 AM CST | Tornado Warning | SGF | Camden | 42 min |
| Jan 17, 12:22 AM CST | Tornado Warning | SGF | Maries | 53 min |
| Jan 17, 12:41 AM CST | Tornado Warning | SGF | Miller, Pulaski | 29 min |
| Jan 17, 12:57 AM CST | Tornado Warning | SGF | Maries | 48 min |
| Jan 17, 1:34 AM CST | Tornado Warning | SGF | Phelps | 12 min |
| Jan 17, 2:55 AM CST | Severe Thunderstorm Warning | SGF | Camden, Dallas, Laclede | 50 min |
| Jan 17, 3:27 AM CST | Severe Thunderstorm Warning | SGF | Pulaski | 33 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2012Every severe thunderstorm warning in 2012
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.