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Map # 1: April 20th 2006
Weather Map # 2: April 30th 2006
Weather Map # 3: July 19th 2006
Map #4: Surface Analysis: American SE
Map #5: Surface Analysis: American Midwest
Map #6: Surface Analysis: American West
Map #7: Surface Analysis: American Northeast
Map #8: Surface Analysis: American South
Map#9: Surface Analysis: American Northeast
Map: #10
Surface Analysis: American SE
Map: #11
Surface Analysis: Central U.S.
Map: #12
Surface Analysis: Central U.S.
Analyzing Surface Weather Maps:
Directions: Examine each indicated weather map to answer the questions below.
Make sure you are looking at the correct map for each question!
Part I: United States Weather Maps (No Station Models)
Map #1: April 20th 2006 Map:
1. (a) What is the lowest pressure visible on the massive area of low pressure off the
eastern coast of the United States – (be sure to label correctly)?
1.(b) How would this pressure be written/abbreviated on a station model?
2. What type of front (cold, warm, stationary, or occluded) was pushing its way into
the Pacific NW on this day?
3. What type of front (cold, warm, stationary, occluded) was stretched across Texas
on this day?
4. What direction would the wind be rotating around the high-pressure system in
Texas?
Map #2: April 30th 2006 Map:
5. A Low Pressure center is located over the southern-half of what midwestern state?
6. In what body of water (Atlantic, Pacific, Gulf of Mexico) was a squall line- a line of
intense thunderstorms - located on this day?
7. Over what state are the surface winds faster? Wisconsin or Oklahoma?
Explain your decision.
8. What type of front is located over the Atlantic Ocean?
Map #3: July 19th 2006 Map:
9. In what body of water (Atlantic, Pacific, Gulf of Mexico) was Tropical Storm Beryl
located in on this day?
10. What type of front (cold, warm, stationary, or occluded) was stretched out south
of Pennsylvania?
11. What type of pressure center (HIGH or LOW) was building into the American
Northeast from Canada?
b. What type of weather would you expect here and why?
12. What number tropical storm of the year is Tropical Storm Beryl? What number
storm of the year would a hurricane with YOUR name be (explain your answer)?
Map # 4: American SE
13. What is the fastest wind you see on this map? How was it symbolized?
14. Was Miami, Florida (labeled on the map) experiencing an Onshore or Offshore
wind at this time?
15. If thunderstorms and lightning developed in Florida later this day, how would
they be shown on a station model (meaning, what symbol would be used to show that
there was thunder and lightning)?
Map # 5: American Midwest
16. A strong low-pressure center was located in Iowa at this time. What type of front
(cold, warm, stationary, or occluded) extends from the Low down through the center
of the map?
b. If this front catches up and overtakes the warm front ahead of it, what will
form?
17. What was the wind direction at Little Rock, Arkansas ahead of the front?
18. Behind the front, what was the wind direction at Tulsa, Oklahoma?
19. What do you notice about the wind direction around the Low-pressure system on
this map?
Map # 6: American West
20. What is the current air temperature for Las Vegas, Nevada? (be sure to label)
21. What is the current air pressure for Las Vegas, Nevada? (be sure to label)
22. What part of the state of Utah was located on the warmer side of the Stationary
Front?
North and Central Utah
or
South-eastern Utah
b. Explain how you knew.
23. Describe the wind speed at the cities located in the Northeast corner of this map.
Map #7: American Northeast
24. How would you describe the weather in Pennsylvania?
Damp, Rainy
or
Sunny, Clear
25. What is the current Dew Point Temperature in Johnstown, PA?
26. Over what Great Lake was the center of High Pressure located which brought nice
weather to Pennsylvania?
Map #8: American South
A Dryline (represented by orange semi-circles) was located in Texas at this time.
27. What is the current Dew Point temperature for Austin, Texas (located east of the
dryline)?
28. What is the current Dew Point temperature for Menard, Texas (located to the
west of the dryline)?
29. Which side of the dryline would you find the more moist air mass (and explain
your answer)?
30. Knowing that thunderstorms form in warm, moist air masses- where in Texas would
you forecast storms for later in the day? Southern Texas or Northern Texas?
b. Explain why you made your choice.
31. What type of front (cold, warm, stationary, or occluded) was located in the Gulf
of Mexico at this time?
32. A High Pressure center was located over what state?
Map #9: American Northeast
33. What type of front (cold, warm, stationary, or occluded) was approaching
Pennsylvania from the west?
34. How has air pressure changed over the past 24-hours in locations found on the
Northeast of this map? What other way could this change be symbolized on a
station model?
Map #10: American Southeast
35. Going from Pennsylvania (at the top) to Georgia (at the bottom) are you
approaching a High or Low Pressure center as you move from North to South on
the map?
36. What is the dominant wind direction through most of North/South Carolina and
Georgia?
SW
NE
37. What type of precipitation is occurring in several cities located in Virginia?
Map #11: Central U.S.
38. At this time a Squall Line (line of intense thunderstorms) represented by the red
line mixed with small circles was located in the states of _____________ and
_____________.
39. A low-pressure center located in what state was responsible for producing the
squall line?
40. Hot and Humid conditions can be found everywhere East of the Cold Frontbrought about by winds out of the:
North or South?
b. This moist, humid air mass would be labeled what type of air mass?
Map #12: Central U.S.
41. A Triple Point is a location where a cold, warm, and occluded front come
together. Over what state is the Triple Point located?
42. In the northwest corner of this map, there is precipitation falling. What type of
precipitation is occurring and how could you have predicted this, even if the station
model didn’t tell us?
43. Is colder air located behind Cold Front #1 or Cold Front #2?