Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 77, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at May 24, 2000, 2:48 PM EDT for Adams County, Pennsylvania. It was in force for 57 min. 1 report 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
- May 24, 2000, 2:48 PM EDT (18:48 UTC)
- Expired
- May 24, 2000, 3:45 PM EDT
- In force
- 57 min
- Issued by
- NWS State College, PA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Adams County, PA
The radar
The Sterling radar (KLWX), 106 km from the middle of the area, began a volume at 18:52 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 |
|---|---|---|---|
| May 24, 3:20 PM EDT | Hail 1.75 | Littlestown, PA | Golf ball sized hail fell just east of Littlestown on Route 194. |
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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.8 hours before the alert went out and 107 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
- 37 J/kg
- Mixed-layer CIN
- -277 J/kg
- Mixed-layer LCL
- 1255 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
110 WUUS51 KCTP 241850 SVRCTP PAC001-241945- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 248 PM EDT WED MAY 24 2000 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ADAMS COUNTY. * UNTIL 345 PM EDT. * AT 245 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES NORTHEAST OF GETTYSBURG...OR ABOUT 3 MILES SOUTH OF YORK SPRINGS...MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... YORK SPRINGS AROUND 300 PM EDT. THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS. .END/ LAMBERT/ LA CORTE LAT...LON 3999 7734 3975 7744 3974 7693 4006 7707
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 State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 24, 2:07 PM EDT, 41 minutes earlier.
Area forecast discussion, May 24, 2:07 PM EDT, 41 minutes before
CENTRAL PENNSYLVANIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 207 PM EDT WED MAY 24 2000 ...NEW WATCH POSS SOON... SCEANRIO IS PLAYING OUT VERY CLOSE TO FCST...ROTATORS AHEAD OF THE MAIN ACTION TO HAPPEN TONIGHT. ELK CO GETTING TWO SHOTS OF SVR THIS AFTN...AS BOTH STORMS HAD WERS WITH THE SECOND ONE A BWER. ROTATION IS NOT ALL THAT STRONG. MID LVL COOLING ASSOCD WITH VORT MAX CROSSING NRN COS ATTM HAS PROVIDED JUST ENUF SFC LIFT AND MILVL COOLING TO POP TSRA. ATMOS PROFILE DOING THE REST. MORE TO COME... NEW RUNS LINGER ACTION A LTL LONGER THAN ERLIER RUNS DID...AND MIGHT HAVE TO PUSH BACK ALL TIMING. SO...CLRNG WL HV TO WAIT. BUT THURS MAY TURN OUT MUCH NICER IN THE EAST...SO WL DROP POPS FM MORNING TIME FRAME. TEMPS ON MOS TOO LOW. XTNDD: MRF (AND NEW AVN) VERY CONSISTENT W/THE STORM ON SAT/SUN STILL A LONG DURATION THING...AND WL GO LIKELY ON SUN...BUT HOLD ON THAT FOR SAT...AS TIMING MORE LATE SAT INTO SUN AM. MON CHC SHRA. BUSY NITE AHEAD...KEEP ALERT. .CTP...NONE. DANGELO
In the hours before
Special weather statement, May 24, 11:00 AM EDT, 3 hours 48 minutes before
PAZ004>006-010>012-017>019-024>028-037-041-042-045-046-049>053- 056>059-063>066-242200- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 1100 AM EDT WED MAY 24 2000 ...A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS OVER CENTRAL PENNSYLVANIA THIS AFTERNOON AND EVENING... A COLD FRONT OVER THE MIDWEST WILL BE CROSSING THE STATE LATE THIS EVENING. AHEAD OF THE COLD FRONT...WARM AND RATHER HUMID AIR WILL COMBINE WITH FAST WINDS ALOFT TO MAKE FAVORABLE CONDITIONS FOR THUNDERSTORMS TO FORM. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER MOST OF THE REGION. SOME OF THE STORMS MAY BECOME SEVERE...ESPECIALLY LATE THIS AFTERNOON AND DURING THE EVENING...CAUSING DAMAGING WINDS AND LARGE HAIL. STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR LATER UPDATES AND POSSIBLE SEVERE WEATHER WATCHES. SKYWARN SPOTTER NETWORKS MAY NEED TO BE ACTIVATED LATER TODAY. .END/DANGELO
Special weather statement, May 24, 1:10 PM EDT, 1 hour 38 minutes before
PAZ004>006-010>012-017>019-024>028-037-041-042-045-046-049>053- 056>059-063>066-242200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 110 PM EDT WED MAY 24 2000 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 7 PM FOR THE FOLLOWING COUNTIES IN CENTRAL PENNSYLVANIA... CAMERON CENTRE CLINTON COLUMBIA LYCOMING MONTOUR NORTHUMBERLAND POTTER SULLIVAN TIOGA UNION A COLD FRONT WILL APPROACH THE AREA LATER TODAY. THIS WILL CAUSE SHOWERS AND THUNDERSTORMS TO INCREASE OVER THE REGION. SOME OF THE THUNDERSTORMS COULD BECOME LOCALLY SEVERE...ACCOMPANIED BY LARGE HAIL AND DAMAGING WIND GUSTS. STAY TUNED TO YOUR FAVORITE SOURCE OF WEATHER INFORMATION FOR LATER UPDATES AND POSSIBLE WARNINGS. .END/LA CORTE
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 2:58 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 47 min |
| May 24, 12:45 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 30 min |
| May 24, 1:29 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 31 min |
| May 24, 1:46 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 29 min |
| May 24, 2:06 PM EDT | Severe Thunderstorm Warning | CTP | York | 39 min |
| May 24, 2:07 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 38 min |
| May 24, 2:12 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 33 min |
| May 24, 2:16 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 59 min |
| May 24, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 57 min |
| May 24, 2:53 PM EDT | Severe Thunderstorm Warning | CTP | York | 67 min |
| May 24, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 20 min |
| May 24, 3:16 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 59 min |
| May 24, 3:21 PM EDT | Severe Thunderstorm Warning | CTP | Union | 39 min |
| May 24, 4:15 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 45 min |
| May 24, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 50 min |
| May 24, 4:32 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 43 min |
| May 24, 4:40 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 35 min |
| May 24, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 60 min |
| May 24, 5:22 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 53 min |
| May 24, 5:43 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder | 47 min |
| May 24, 6:07 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland | 53 min |
| May 24, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 47 min |
| May 24, 7:15 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 15 min |
| May 24, 7:44 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 46 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 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; radar from the NEXRAD Level II archive.