Alert archive / Missouri / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 425, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 23, 2000, 10:03 PM CDT for Boone County, Missouri. It was in force for 42 min. 7 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Aug 23, 2000, 10:03 PM CDT (03:03 UTC)
- Expired
- Aug 23, 2000, 10:45 PM CDT
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Boone County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 23, 10:05 PM CDT | Thunderstorm Wind 51 E | Sturgeon, MO | |
| Aug 23, 10:10 PM CDT | Thunderstorm Wind 51 E | Centralia, MO | |
| Aug 23, 10:15 PM CDT | Thunderstorm Wind 51 E | Centralia, MO | |
| Aug 23, 10:25 PM CDT | Thunderstorm Wind 60 E | Mexico, MO | |
| Aug 23, 10:28 PM CDT | Thunderstorm Wind 60 E | Mexico, MO | |
| Aug 23, 10:30 PM CDT | Thunderstorm Wind 60 E | Mexico, MO | |
| Aug 23, 10:30 PM CDT | Thunderstorm Wind 60 E | Paris, MO | Amateur radio spotters reported trees down blocking Highway 15 south of Paris. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 23, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 3.1 hours before the alert went out and 281 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
- 996 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1022 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLSX 240304 SVRSTL MOC007-019-137-240345- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1003 PM CDT WED AUG 23 2000 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN AUDRAIN COUNTY IN CENTRAL MISSOURI NORTHERN BOONE COUNTY IN CENTRAL MISSOURI MONROE COUNTY IN NORTHEAST MISSOURI * UNTIL 1045 PM CDT * AT 1003 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 9 MILES WEST OF MADISON...MOVING EAST SOUTHEAST AT 45 MPH. * LOCATIONS IN THE PATH... MADISON PARIS SANTA FE CENTRALIA HARRISBURG SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THE PRIMARY THREAT POSED BY THIS STORM IS DAMAGING WINDS. MOVE QUICKLY TO THE INTERIOR PORTION OF A STURDY SHELTER...AND STAY AWAY FROM OUTSIDE WALLS AND WINDOWS. LAT...LON 3965 9234 3908 9252 3906 9176 3966 9177 RP/GKS
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS St. Louis, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 23, 3:47 PM CDT, 6 hours 16 minutes earlier.
Area forecast discussion, Aug 23, 3:47 PM CDT, 6 hours 16 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 330 PM WED AUG 23 2000 CONVECTION HAS BGN TO DVLP THIS AFTN IN NERN MO AND S CNTRL MO ALNG OLD OUTFLOW BOUNDARIES S OF STNRY FNT EXTDG FM SRN NEBRASKA ENE THRU NRN IL. WKST CIN ACRS SRN MO AND A SMALL PORTION OF NERN MO WITH CAPE OVR 4000 J/KG OVR PARTS OF NERN MO. CONVECTION ACRS SRN MO SHOULD BE DIURNAL...WKNG JUST AFT SUNSET...BUT ACTIVITY SHOULD BCM MORE ORGANIZED ALONG STATIONARY FNT AS SHRTWV OVR NWRN IA ERN NE DROPS SEWD THRU ERN MO IL LTR TGT. MDLS DEPICT AN AREA OF UPR DIVERGENCE ACRS ERN MO CNTRL SRN IL TGT IN RGT ENTRANCE REGION OF ULJ STRK MOVG THRU OH VLY. NGM...ETA AND MESOETA FAIRLY SIMILIAR WITH HIGHEST QPF OVR NERN MO THIS EVNG DROPPING SEWD ALNG MISSISSIPPI RVR. 18Z MESOETA SHOW INDICATIONS OF AN MCS WITH CONVECTIVELY INDUCED VORT MAX AND OUTFLOW BOUNDARY...BUBBLE HI MOVG SWD THRU ERN MO LT TGT. WL INCRS POPS TGT WITH SEWD MOVG MCS LIKELY. PCPN CHANCES WL LIKELY SHIFT S THU AFTN AND EVNG WITH MCV AND OUFLOW BOUNDARY...ALTHOUGH STNRY FNT WL PROBABLY ONLY DROP AS FAR S AS NRN MO. TEMPS SHOULD BE A COUPLE OF DGRS COOLER THU WITH MRNG PCPN AND MCS CLOUD DEBRIS +INTO THE AFTN. .STL...NONE GKS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 9:52 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 38 min |
| Aug 23, 10:03 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Monroe | 42 min |
| Aug 23, 10:04 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 41 min |
| Aug 23, 10:36 PM CDT | Severe Thunderstorm Warning | LSX | Audrain | 39 min |
| Aug 23, 10:40 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 50 min |
| Aug 23, 10:45 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 30 min |
| Aug 23, 10:46 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 59 min |
| Aug 23, 10:58 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 62 min |
| Aug 23, 11:02 PM CDT | Tornado Warning | LSX | Montgomery | 28 min |
| Aug 23, 11:07 PM CDT | Severe Thunderstorm Warning | LSX | Warren | 53 min |
| Aug 23, 11:21 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 54 min |
| Aug 23, 11:40 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 65 min |
| Aug 23, 11:45 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 45 min |
| Aug 23, 11:57 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 63 min |
| Aug 24, 1:36 AM CDT | Flash Flood Warning | LSX | Audrain, Montgomery | 5 hr |
| Aug 24, 2:28 AM CDT | Flash Flood Warning | LSX | Franklin, Warren | 5 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.