Alert archive / Arkansas / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 29
The Storm Prediction Center issued this severe thunderstorm watch at Mar 15, 2002, 5:30 PM CST for 22 counties in Arkansas; 9 counties in Missouri; Lake County, Tennessee. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 15, 2002, 5:30 PM CST (23:30 UTC)
- Expired
- Mar 15, 2002, 10:00 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 32 counties
Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Mississippi County, AR, Poinsett County, AR, Randolph County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Butler County, MO, Carter County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Oregon County, MO, Pemiscot County, MO, Ripley County, MO, Stoddard County, MO, Lake County, TN
The radar
The Little Rock radar (KLZK), 132 km from the middle of the area, began a volume at 23:33 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.
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 5:43 PM CST | Severe Thunderstorm Warning | LZK | Faulkner | 47 min |
| Mar 15, 7:54 PM CST | Severe Thunderstorm Warning | LZK | White | 31 min |
| Mar 15, 8:06 PM CST | Severe Thunderstorm Warning | PAH | Stoddard | 24 min |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.5 hours before the alert went out and 170 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
- 580 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 551 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 235 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 152325 SEL9 SPC WW 152322 ARZ000-MOZ000-160400- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 29 STORM PREDICTION CENTER NORMAN OK 522 PM CST FRI MAR 15 2002 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTH CENTRAL AND NORTHEASTERN ARKANSAS SOUTHEASTERN MISSOURI EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1000 PM CST. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST OF A LINE FROM 80 MILES SOUTHWEST OF JONESBORO ARKANSAS TO 15 MILES NORTH NORTHEAST OF POPLAR BLUFF MISSOURI. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES SEVERE THUNDERSTORM WATCH NUMBER 26. WATCH NUMBER 26 WILL NOT BE IN EFFECT AFTER 530 PM CST. CONTINUE...WW 27...WW 28... DISCUSSION...SURFACE FRONT WILL CONTINUE SHIFTING SLOWLY SEWD INTO ERN AR THIS EVENING...WITH SURFACE WAVE LIFTING TOWARDS THE MO BOOTHEEL. CAPE AND SHEAR WILL REMAIN SUPPORTIVE OF SEVERE THUNDERSTORMS INCLUDING A FEW SUPERCELLS. LARGE HAIL WILL REMAIN PRIMARY THREAT. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION VECTOR 24035. ...EVANS 365,0890 350,0901 350,0925 365,0914 WWUS20 KWNS 152325 SEL9 SPC WW 152322 ARZ000-MOZ000-160400- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 29 STORM PREDICTION CENTER NORMAN OK 522 PM CST FRI MAR 15 2002 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTH CENTRAL AND NORTHEASTERN ARKANSAS SOUTHEASTERN MISSOURI EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1000 PM CST. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 75 STATUTE MILES EAST AND WEST OF A LINE FROM 80 MILES SOUTHWEST OF JONESBORO ARKANSAS TO 15 MILES NORTH NORTHEAST OF POPLAR BLUFF MISSOURI. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES SEVERE THUNDERSTORM WATCH NUMBER 26. WATCH NUMBER 26 WILL NOT BE IN EFFECT AFTER 530 PM CST. CONTINUE...WW 27...WW 28... DISCUSSION...SURFACE FRONT WILL CONTINUE SHIFTING SLOWLY SEWD INTO ERN AR THIS EVENING...WITH SURFACE WAVE LIFTING TOWARDS THE MO BOOTHEEL. CAPE AND SHEAR WILL REMAIN SUPPORTIVE OF SEVERE THUNDERSTORMS INCLUDING A FEW SUPERCELLS. LARGE HAIL WILL REMAIN PRIMARY THREAT. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION VECTOR 24035. ...EVANS 365,0890 350,0901 350,0925 365,0914
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 1:15 PM CST | Severe Thunderstorm Watch | SPC | Baxter, Boone, Cleburne, Conway, Crawford, Franklin and 17 more | 5 hr |
| Mar 15, 3:30 PM CST | Severe Thunderstorm Watch | SPC | Bradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 16 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Arkansas, 2002Severe Thunderstorm Watches in Missouri, 2002Severe Thunderstorm Watches in Tennessee, 2002Every severe thunderstorm watch in 2002
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.